Summary of the Drawing/Image Display Area (III) – Guessing and Viewing Equipment Diagrams
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The links to the areas where the drawings and images are displayed, as well as those for viewing equipment diagrams, are listed below, to facilitate easy access and save time, allowing you to find the information you need promptly! 1st floor: 1–100 2nd floor: 101–200 3rd floor: 201–300 4th floor: 301–400 5th floor: 401–426 (Click the title directly to access the hyperlink) 1. Guess what this device is – 2 (Vacuum hot air drying equipment). 1 2 2. See what kind of device it is. 3. Try to guess. 1 2 3 4 4. See what kind of animation this is. 5. Guess what it is – [Air preheater in power plants or flue gas heat exchanger in flue gas desulfurization, also known as GGH]. A basic guide. 6. Guess the device? 7. Everyone, take a look – what kind of device is this? What is it mainly used for? 8. See if anyone recognizes it. 1 2 9. Piping diagrams produced by a highly reputable design institute in China; take a look. 10. Guess what kind of equipment this is (vibrating fluidized bed dryer). 11. Guess the equipment. 12. Guess what kind of equipment this is. 1 2 13. Guess what’s inside this device. 14. Guess the equipment. 15. Give it a try! 1 2 16. Guess the device. 17. See what kind of device this is? 1 2 18: Take a look and see what kind of equipment it is. 1 2 19: Guess what kind of equipment this is. 1 2 20: Send a photo of the equipment so everyone can see if they recognize it. 21: The old steam locomotives in Baotou are nostalgic to look at. 22: Another guess – it’s a bucket elevator. 23: Guess pumps and valves (piston-type ammonia refrigeration compressors, ammonia stop valves). 1 2 24: Guess what kind of equipment this is; there’s a prize for the correct answer. 1 2 25: What kind of equipment is being disassembled? (Please guess.) 1 2 3 4 5 26: Please guess what part of this equipment this is (The answers have been released) 1 2 27, 28. Experts in equipment, please come in! Let’s see what device it is (Answers have been released) 1 2 29. Take a look – what kind of pump is this? (Lubricating oil pump) 1 2 3 30. Take a look – what is this simple device? (Graphite heat exchanger) 1 2 31. Guess what this is. 32. Quick answer – identify the equipment; take a look and see what it is. 1 2 33. Fifth round of equipment identification – figure out what kind of equipment it is. 1 2 3 34. Guess which type of equipment has tubes like these. 35. Guess which type of equipment has tubes like these. 36. Take a look at how to repair this deflated storage tank. 1 2 3 4 5 37. What kind of equipment is this? Guess it: 38, 7/30 – my first picture ； Guess the device (gas pipeline breather valve) 1 2 39. Guess what kind of pump it is. 40. Send a photo and guess what device it is – 【Slant-top air cooler】 1 2 3 41. What device is this? 42. What is that device? Guess! 1 2 43. Guess what kind of device this is (a filter). 1 2 3 44. Try to guess what device it is. 45. Take a look and see what device it is! ! It’s really interesting! 【Coiled tube heat exchanger】 1 2 46. Send a picture for everyone to guess; points will be given for correct guesses. 1 2 47. What kind of equipment is it? Try to guess. 1 2 48. Take a look at this picture. 1 2 3 49. Everyone, try to guess what this is. 1 2 50. Guess what kind of equipment this is. 1 2 51. Come and take a look at what kind of equipment this is 52. Guess what it is. 1 2 3 4 53. Guess what these are? 1 2 54, Guess what? 1 2 3 55. Take a look, what kind of device is this? (Shielded pump) 1 2 56. This is a commonly used device; it’s quite simple. Guess what it is! Also, a brief introduction! 1 2 3 57. Guess what this is. 1 2 58. Take a look at this item. 1 2 59. Please take a look and share your thoughts. 60. Some photos from the scene – what can everyone see? 1 2 3 61. Guess what’s in the picture below? 1 2 62. Take a look – what kind of impeller is this? 1 2 63. Guess what’s inside; it’s not easy to figure out! 1 2 64. Identify what device this is (PTFE valve (bottom valve)). 65. Watch as Germany’s CLOOS welding equipment is in use. 66. Find out what this device is used for. 1 2 3 67. See what kind of device this is. 1 2 3 68. Guess. 69. Try to guess. 1 2 70. Guess what this is. 71. Does anyone here recognize this? ? 72. Guess what this device is (ball concentration tank). 1 2 3 73. Guess what component of this device it is. 74. Try to guess based on the picture. 1 2 75. Take a guess. 1 2 3 76. Guess what this is? 1 2 3 4 77. Guess what device this is! 78. Guess what device this is. 1 2 79. Try to guess again. 1 2 80. Make a guess. 1 2 3 81. Guess it! (First batch of coke) 1 2 82. Guess what this device is: 1 (Low-voltage switch). 1 2 83. Take a look at this. 84. Guess again: 1, 2. 85. Take a look at what device this is: 1, 2. 86. Everyone, take a look at what this is 1 2 87. Guess what device it is? 1 2 3 88. Take a look – what device is it? (Answer: Non-woven fabric production line) 1 2 3 89. Let’s guess together what this is~ 1 2 3 4 90. Please look at [the combustion chamber of a waste mixed combustion furnace; the pipes are water-cooled walls]. 1 2 3 91. Everyone, take a look – what kind of pump is this? 1 2 92. Look below – what advanced device is this? [Electrolyzer] 1 2 93. Guess what device it is? 1 2 94. Take a look, what is this? Things from fertilizer factories 95. Guess, guess, guess – wonderful, wonderful. 1 2 96. What kind of pump? Experts, take a look. 【Stainless steel centrifugal pump】 1 2 3 4 97. Guess another one: 1 2 3 98. What do you think it is? (It’s tricky!) There’s a prize for those who get it right. 1 2 3 99. Take a look at this uncommon type of valve – a rotary discharge valve for solid materials (particles/powders). 1 2 3 100. Guess what types of level gauges there are: 【Magnetic flip-type level gauge and single-flange differential pressure level gauge】
Continuing: 101. One more – take a look at these (explosion-proof junction boxes and combustible gas detectors). 102. Guess what this is (water-cooled central air conditioning system). 103. Guess what device this is, number 4 (air compressor). 1 2 104. Guess what device this is, number 3 (high-efficiency vacuum oil filtration and drying machine). 1 2 3 105. Guess what device this is (high-voltage switch/circuit breaker). 106. Guess what device this is (flame burner for converter flue). 107. Guess what tool this is, number 1 (wire crimping tool). 1 2 108. Guess what tool this is, number 2 (wire stripping tool). 1 2 109. Guess what device this is (ball pressing molding machine). 1 2 3 110. Take a look at this device – guess what it is (external circulation vacuum evaporator). 1 2 111. Guess what kind of device this is. 1 2 112. Guess what devices are available in this workshop (lathes, boring machines, drilling machines, overhead cranes). 113. Guess what device this is (tensile testing machine). 114. Guess what purpose this device serves. 1 2 115. Guess this one – it’s a bit difficult. 1 2 3 116. What kind of furnace is this? (Electric furnace) 1 2 117. Guess it! 1 2 118. Guess what this device is (Catalytic cracking unit). 1 2 119. Everyone, guess it (Universal material testing machine). 120. Guess what this equipment is used for. 121. Guess the device (Three-roll plate rolling machine). 1 2 122. Let’s take a look at something. 1 2 123. Guess it! (Electric furnace) 1 2 124. Guess and take a look. 1 2 125. Guess what this is (Panoramic view of a sintering plant). 1 2 126. Take a look (Panoramic view of a coking plant). 127. Guess what this is. 1 2 128. Guess it. 1 2 129. Guess it! (Oxidized pellets). 1 2 130. Take a look at what device this is (Control room in a steel plant). 1 2 131. Take a look (Production of sintered products). 1 2 132. Guess what device this is (Continuous casting machine for billets). 1 2 133. Guess what device this is (Panoramic view of a steel plant). 1 2 134. Guess what this equipment is (Partial reflux dissolved air flotation equipment). 1 2 135. Guess the device (Centrifugal separator). 1 2 136. Guess a device (Sludge sedimentation tank). 1 2 137. Guessing the device (Oil-water separator). 138. Take a look at what device this is (First batch of coke). 139. Guess what device this is (Horizontal plow mixer). 140. Guess it! (High-efficiency double-layer strong mixer). 141. Guess it! (Horizontal zero-gravity mixer). 142. Let’s take a look together. 1 2 143. Guess what device this is. 1 2 144. Example post for the guessing activity (Hehe, self-made title): [Claw-type vacuum pump]. 145. Guess the devices (Oil-free air compressor on the left, dryer on the right). 146. Guess again (Electrostatic sprayer). 147. Take a look at what device this is – how should it be translated? 148. Guess what this device is (water-cooled freeze dryer). 149. Take a guess. 1 2 150. Guess it! (Tunnel dryer) 1 2 151. Guess it (hot air furnace). 152. Take a look at this thing–taken yesterday–what device is it? [Liquid nitrogen vaporizer]. 153. Take a guess. 1 2 154. Take a guess. 1 2 155. Watching the Olympics; the forum is much quieter now. What is this? 【Slurry pump, a type of centrifugal pump】 1 2 3 156. Take a look and see what it is 【Jet engine】 157. Take a look at what it’s used for. 1 2 158. See what kind of equipment it is; it’s quite difficult. 【Concentration section of the polymerization unit】 1 2 159. What is this? 【Single-screw metering pump】 1 2 160: Take a look at what type of gearbox is used in this device. 1 2 161: Guess what kind of device this is. 162: What kind of device is this? (Tube pulling hook) 1 2 163. Take a look – what device is this? [Explosion-proof isolation seal box] 1 2 164. No need to guess; it’s an iron remover. 165. What kind of device is this? Guess! (Answer: Petrochemical cracking furnace) 166. What device is this? Let’s guess together 【Disturbance Element Heat Exchanger】 1 2 167. Think about it, guess! 【Tumble dryer】 1 2 168. See what kind of equipment it is – water-cooled screw chiller RTWB]. 1 2 169. Take a look and see what this is 【Vertical plate heat exchanger core】 1 2 3 170. Let’s guess another one today! (Vent valve PBV) 171. I’ll also try to guess what device this is. What is it? 【Plastic Hot Air Dryer (HDN Series)】 172. Take a look – what device is this? 【SCT Pump】 173. Send another picture; guess what device this is (Answer: Ultrasonic cleaner) 174. What device? Guess: 175. What is it? Answer: Blue-type filter. 176. What device is this? Vacuum rake dryer. 177. What device is this? (Answer: PSA nitrogen generator.) 178. What device is this? Dynamic thermal reflux extraction concentrator. 179. What device is this? (Answer: Drying tower.) 180. What device is this? Double-column continuous mesh changer – JWELL. 181. Guess the device (according to new regulations~~): Heat exchanger, TEMA type: NJN. 182. What device is this? Submersible sewage pump. 183. What device is this? [Microscope] 184. What device is this? ~~[Reaction vessel used in steel mills.] 185. Guess what these devices are: [The one on the left is a conversion furnace in the conversion section; the one on the right is a preheating furnace.] 186. Let’s have a simple guess for 8/8! (Spring-type automatic control valve) 187. Take a look at what kind of equipment this is. [Mobile hydraulic station for removing bolts] 1 2 188. Guess what it is and explain it. (Nitrogen production equipment) 189. Take a look at what kind of equipment this is.^_^ [Vertical heat exchanger] 1 2 190. 8/7. Guess what kind of equipment this is. (Vacuum cleaning furnace) 191. 8/6. Guess what this is. [Vibration motor] 192. Identify what kind of equipment this is: Small-frame plunger pump] 1 2 193. Guess the name of this equipment. (Spiral plate heat exchanger) 1 2 194. This one is a bit difficult to guess. (The answer is on floor 25.) [TT series special ceramic filter] 1 2 195. 8/5. Take a look at what kind of equipment this is. (Partial view) [Water ring vacuum pump] 196. What kind of equipment is this? 【Scraper-type rotary thin-film evaporator】 197, Guess the equipment 7——The answer has been released and updated as required by the edition. 【Hammer-type wax-scraping plate】 198, See what it is—30 Oyans waiting for you. 【Main track passive wheel set of bridge crane】 199, Guess the equipment 5——The answer has been released and updated as required by the edition. 【Internal part of fuel oil automatic sampler】 1 2 200, Guess the equipment (high-pressure micro-powder grinder)
Continuing: 201, 8/3 – let’s see what device this is (Gas safety valve: releases pressure when it’s high and closes when pressure is low) 202, 8/2 – Guess what this is? (Manual pressure control valve, straight-through single-seat control valve) 1 2 203: Determine what device is drawing water from the coarse water filter – STARAINER WATER. 1 2 204: It seems to be a rather complex device; guess what it is. [Cyclic hydrogen compressor in the diesel and gasoline hydrogenation unit] 1 2 205: Determine what device this is – drying tower. 206: 8/2. What type of instrument is this? [Flue gas analyzer] 207. Guess what this device is. [Elbow plug for distillation tower trays] 1 2 208. A relatively simple guess – (Turbine reducer) 209. 8/1: Guess what this is. [Filter] 210. 7/31: Please guess what this device is. 211. Guess Device 1 – Answer has been released. 212. Guess Device 4 – Answer has been released. 213. Guess Device 2 – Answer has been released. 214. Guess Device 3 – Answer has been released. 215. What device is this? 216, 7/27: My first picture – guess it! (Piston pump) 217, let’s see what it is! ! 218. Take a look, what product’s production workshop is this? 219. Check what component it is (turning gear ratchet). 220. Determine what type of equipment it is [diesel generator set]. 221. Identify what kind of equipment it is [room-type pulse bag filter]. 1 2 222. Determine what type of equipment it is {benzene washing tower}. 223. See what kind of device it is (Very difficult) 【Equipment on polyamide engineering plastic devices】 224. Everyone, take a look – what is this? 225. See what kind of equipment it is (plate and frame filter). 226. Take a look at what kind of device it is 【a packaging line for particles】. 227. See what kind of equipment it is (gas preheater). 228. See what kind of equipment it is (cyclone oil catcher). 229. Guess quickly! It’s the second picture from 7/26 (Solved: Heat exchanger) 230. Determine what type of equipment it is (roof fan). 231. Identify what kind of component it is (corner nozzle, spray head, nozzles). 232. Guess the series of this equipment – 20080725. 233. Determine what kind of component it is (air handler coil). 234. Guess what name this equipment has. (Answer: Heat exchange unit) 1 2 235. Determine what device it is (ball collection net). 236. Look at the first image on page 7/26 – guess! [Shielded pump] 237, (Solved) (Vacuum pumping) Let’s see what this set of equipment is used for 1 2 238: See what device it is (high-pressure nitrogen compressor booster). 239: One more – what device is this? [Strip casting water filtration system]. 240: Guess something simple – (heat exchanger tube bundle core extractor). 241: Try to guess what device this is. 242: See what component this is (safety coupling). 243: See what component this is (nozzle). 244: See what component this is (double-inlet centrifugal impeller). 245: Take a look – what device is this? 246: What is the function of this set of equipment? (Slightly difficult.) (Already guessed: Deoxygenation device) 247. Guess the name of the equipment (Gearbox). 248. Take a look at the installation process of a 10-ton steam boiler and share your thoughts. 249. Identify what kind of equipment this is [Pelletizer]. 250. Guess the name of this equipment in a series of guesses (LR-200 type drawing machine). 251. Determine what kind of equipment this is (Packing seal). 252. Another component for you to guess today (Elastic rod pin coupling). 253. Guess as well what kind of equipment I’ve brought [Plate and frame filter press] 1 2 254. Iron smelting specialty area (★Guess!★) 255. Guess! What is this? 【23MX Type Gas Mixer】 256. Take a look, what device is this? 1 2 257. Identify what component this is (dry gas seal). 258. Guess------------- 1 2 259. See what device this is [the inclined chute in front of the pelletizer]. 260. Guess what device this is [the pelletizer used in the USG600 polymerization unit for nylon production]. 261. Now take a look at this one—what is it (silencer)? 262. Identify what device this is (gas recovery and washing unit). 263. It’s time to leave work; let’s guess one device (mobile micro-spray dryer). 264. Guess [the air preheater in power plants or the flue gas heat exchanger used in flue gas desulfurization, also known as GGH]. 1 2 265. Guess—what device is this [acid mist absorber]? 1 2 266. Guess, what is the purpose of this set of devices? 【Pressure Swing Adsorption Nitrogen Generation】 267. Let’s take a look at what this is (ZD series vibrating screening filter). 268. Guess the type of equipment (vertical crusher). 269. Try to guess our equipment 【Hot Oil Circulation System】 270. Take a look at what equipment is being installed? 【Rotary Kiln】 271. What is this again? (Screening machine) 272. Guess a type of equipment (Roller ball mill) 273. Guess the exact name of this equipment (Rod vibrating feeder) 274. What is this again? (Particle packaging machine) 275. Identify what type of equipment this is: 【Centrifugal separator】 276. Guess an imported equipment: 【2000T press imported from Germany】 277. Guess what kind of equipment this is: 【Pressure swing adsorption nitrogen generator】 278. Take a look at this equipment: 【Vertical submersible pump】 279. Instead of guessing the equipment, let’s take a look at an American machining and welding workshop. 280. Guess a type of equipment (Oil filter) 281. Identify what type of equipment this is: (Steam-heated reaction kettle) 1 2 282. What type of equipment is this? 【Fully automatic backwash filter】 283. One more – try to guess it. 284. Still guessing equipment; something simpler like a shell-and-tube heat exchanger. 285. Guess what kind of equipment this is? 【Spiral Filling Packaging Machine】 286. Take a look and see what kind of equipment it is. 【Water Purification Equipment】 287. Take a look and see what kind of equipment it is. [Pulse-conveying feeding tank] 288. Guess! 【Internal Expansion Flange End Processing Machine】 289. Those who find it difficult should back off and not guess; curious adventurers, come on in! 290. Guess another one. 291. Take a look and see what it’s used for. 【Jacketed Melting Tank】 292. Take a look and see what it’s used for. 【Granulation Equipment】 293. Take a look and see what it’s used for (the answer is: Constant-temperature water bath shaker). 294. Take a look at what this set of equipment is used for, and give it a name. 【Skid-mounted Natural Gas Separation and Metering Unit】 295. Guess another one (screw conveyor). 296. Guess! 【Valve for air ducts or flue ducts】 297. Guess an equipment type (screw mixer). 298. Take a look—what is this? 【Constant-temperature Automatic Heating Oven】 299. Guess what kind of equipment this is? 1 2 300, let’s take another look to see what device it is 【Reactor with stirrer】
Continuing: 301. Guess what this device is – a closed-system sampler. 302. Here’s a harder one; let’s see who can guess it! 【Semi-tube type heating and low-molecular-weight removal unit】 303, Take a look – what kind of equipment is this? 【Adsorption tank in nitrogen production system】 304, Take a look – what kind of equipment is this? 305, First, let’s guess what kind of equipment it is. 【Acoustic soot blower】 306, One last guess before leaving work: 【Gravity-type valveless filter】 1 2 307, Prize available – guess the equipment. 【Cyclone separator】 308, Take a look – what kind of equipment is this? (Everyone who participates gets a prize.) 【Oil-injected compressor】 309, What kind of equipment is this? 【Elevated Torch】 310, let’s see what kind of equipment it is 【Rectangular spray tank device】 311, Guess one: 【Online sampler】 312, Guess what device it is: 【Air filter】 313, Take a guess: 【Hydraulic cyclone】 314, See what it is? 【Double-tube switchable candle-type filter】 315: Guessing about this simple device earns you a prize! 【Distillation tower】 316: Guess what kind of equipment this is 【Steam temperature reducer】 317. Something simpler – guess what device it is. 【Centrifuge】 318. Guess! (There is a reward, starting from +2) 【Manual Vacuum Pump】 1 2 319. Get two larger devices – guess what they are. 【Mixing Tank】 320. See what kind of device it is? 【Triangle spray tank device】 321, Guess the equipment: 【1.2 million tons hydrogenation reactor for 10 million tons of oil refining】 322, Send a device guess before lunch; the answer will be revealed after lunch. 【Heat exchanger with internal coils】 323, See what these devices are used for 【Coal tar refining equipment】 324. Next, try to guess the equipment: 【Bellows differential pressure gauge】 325. Let’s guess again! (There are rewards.) 【Gearbox for wind turbines】 1 2 326. Guess what kind of equipment it is. 327. Take a look and see what it is 【Heat exchange coils】 328: Quiz with prizes – Guess what device it is. 1 2 329: Guess what device it is and what material it’s made of. 330: Guess what these two items are 【Bag filter】 331. Guess the equipment – 【Solid packaging machine and liquid packaging machine】 332. Try to guess what it is (prize for correct answer) 【Electric heater】 333. See what kind of equipment it is! 【Vertical straightening machine】 334. Guessing game with a prize – Try to figure out what kind of equipment it is 3 【Tube-type evaporator with semi-jacket】 1 2 335. Guess what kind of equipment this is? 【Cleaning UV Disinfectant】 1 2 336, Guess and win a prize! 【Three nozzles of the gasifier burner】 1 2 337. See what they are used for? 【Melt granulation】 338. Guess the equipment from the picture – see who can guess it correctly. 【Air preheater】 339. Identify what kind of equipment this is. (Circular screen concentrator) 340. Identify what kind of equipment this is. (Air flotation) 341. Identify what kind of equipment this is. (Clean water filter) 342. Guess what this is 343. Guess the riddle by looking at the device. 344. What device is it? 345, Guess the device----What is this? 346. Take a look at what kind of setup this is. 347. Guess what device it is. 348. Guess what device it is. 349. This time, try to guess what kind of production setup this is (prize available). 350. Take a look and see what it is. 351. See what equipment is being lifted. 352. Everyone, guess what device it is (prize available). 353. Guess what device it is. 354. Guess what this is? 355. Guess what device it is. 356. Take a look – what device is it? 357. Guess the device (answers will be announced on floor 21); the moderator closed the post. 358. Prize-winning guess: What device is it? 080621C 1 2 359. Guess what device it is 2 360. What is it? 361. Guess what device it is – let’s see who’s the best. 1 2 362. Everyone, take a look at what device it is – guess correctly for a reward. 1 2 363. Come and see what kind of large-scale device this is – there’s a prize for the correct guess. 1 2 3 364. Take a look at what device this is. 365. Guess what device it is; the champion title is waiting for you. 366. Guess what device this is. 367. [Guessing with a prize] Find out what device it is: 080621A. 368. Guess what device this is. 369. [Quiz with a prize] What device is it? 1 2 370, Prize-winning guess: What kind of equipment is it? 2 [U-tube type steam heater] 1 2 371, Prize-winning guess – Episode 10: What kind of chemical processing equipment is it? 1 2 372, 23rd round of prize-winning guesses: What kind of equipment? It might be that one. 373, 27th round of prize-winning guesses: What kind of vehicle? 374, Prize-winning guess – Episode 13: What kind of chemical processing equipment is it? 375, Prize-winning guess – Episode 14: What kind of equipment is used for production? 376, Prize-winning guess: What kind of equipment is it? 5 [Vertical shell-and-tube heat exchanger] 1 2 377, Prize-winning guess: What kind of equipment is it? 080621B 1 2 378, Prize-winning guess: What kind of equipment is it? 1 [Floating-head type heating evaporator] 1 2 379, What kind of equipment is it? 【Vertical Gear Reducer】 380, Quiz with Prizes] Take a look – what is this? 381、 Prize-winning guess】 See what device it is 080620 382、 Prize-winning guess】 See what device it is 4【U-tube heat exchanger】 1 2 383、 Prize-winning guess】 See what device it is 080621D 384、 What device is it? 【Cycloidal pinwheel planetary reducer】 385, Prize-winning guess: See what device it is. 386, 28 rounds of prize-winning guesses – find out what device it is. 387, Prize-winning quiz: Determine what device it is. 388, Round 29 – take a look at a crane built by an old man in the countryside. 389, What kind of workshop is this? Absolute confidentiality. 390. Take a look at the large crane. 391. Everyone, take a look – even abroad there are defective products! 392. 18-round guesswork: Which company has cranes of such large size? 393. Prize-winning guesswork: What kind of equipment? 394, Come and take a look at what this is. 395, Device guessing – with prizes. 396, It’s so long! ! Guess what this is? 397, Let’s take a look. 398, What is this thing? 399, Prize-winning Quiz – Round 16–Guess which type of device it is. 400, What is this doing? Guess Guess Guess
Continuing: 401. Take a look, what device is this? 402. Guess what this is used for? 403. Everyone, take a look at what this is~~ 404. What device do you think this is? 1 2 3 405. Take a look at the drawings made by foreigners. 1 2 3 406. Discuss based on the drawings. 407. Take a look at a few drawings since nothing has happened yet. 408. Equipment guessing – prizes available. 409. Those who are interested, take a look and see what kind of equipment it is 410. I hope experts can help me take a look at this device. 411. 25-round prize prediction–which workshop? 1 2 3 412. See who can identify this device. 413. Find out what this device is. 414. Guess the type of device it is. 415. Take a look at this imported sheet metal bending machine. 416. What is this device? (See if you pay attention to details in daily life.) 417、 Prize quiz] Guess what kind of devices these two are. 418、 24-round prize quiz---What kind of device? 1 2 419、 Round 30----Guess what this crane is used for and what its model is. 420、 26-round prize quiz--What type of production workshop? 421. [Quiz with Prizes] Take a look, what device is this? 422. 17-round prize guessing competition—Take a look and see in what type of site this crane is working 423、 Prize-winning guessing – Round 15–Guess which type of device it is. 424、 Everyone, guess what kind of device this is. 425、 Prize-winning guessing – Round 11–Find out what device it is. 426、 Guess what this is?