Manual weldings of watertight joints shall be painted after the air test.
焊接水密接合应该在气密试验后进行喷漆。
All weldings all should conform to the correlation standard or the standard request.
所有焊接都应符合相关规范或标准的要求。
NC machine is used to ensure that longitudinal and circular weldings are produced at a constant speed and the welding point is always in flat position.
数控主机用于保证箱底纵、环焊缝焊速恒定并使焊接点始终处于平焊位置。
NC machine is used to ensure that longitudinal and circular weldings are produced at a constant speed and the welding point is always in flat position.
数控主机用于保证箱底纵、环焊缝焊速恒定并使焊接点始终处于平焊位置。
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