[Mechanical Equipment Technology Edition] Daily Question 20170902: Guess the Object from the Picture

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This post was last edited by YORK Industrial Refrigeration on 2017-9-4 at 08:19. Starting from now, in order to enhance communication among members, a 【Daily Question】 activity has been launched on the Mechanical Equipment Technology forum. We hope everyone will participate actively to progress and improve together! ! ! Rewards: 3 wealth for active participation, 10-15 wealth for complete answers. This question is valid for two days; no scoring will be given after that. Question: As shown in the figure, these are essential tools for refrigeration. Please state their names and functions. Answer: Generally, in the current refrigeration industry, composite dual-gauge systems are used to measure the pressure of refrigeration systems, and they are widely applied for tasks such as charging refrigerant and evacuating air. Testing of air-conditioning pressure and the process of charging refrigerant; connecting pipes are used to evacuate the refrigeration system. ================================ Promotion activities: Petrochemical sector – “Creative Ideas for Energy Savings” campaign (the second phase is currently in full swing). http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum) 2017 Coal Chemical Industry – “My Technical Upgrades”. http://bbs.hcbbs.com/thread-1786290-1-1.html (Source: Haichuan Chemical Industry Forum)