[Storage and Transportation Version] One Question per Day 20180407
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Fill in the blank: The vertical welds on each ring plate of the oil tank wall are all made using (); the circumferential welds between the ring plates of a dome-shaped tank can be made by butt welding, or they can also be made using (). Answer: Butt welding, Lap welding
The vertical welds on each ring plate of the oil tank wall are all carried out by (butt welding), while the circumferential welds between the ring plates of the dome tank can be done by butt welding or (lap welding).
Butt welding and lap welding are used