sequence of erection and welding的意思|示意

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安装和焊接顺序

装配及焊接顺序 ... 装配夹：assembly clip, mounting clip 装配及焊接顺序：sequence of erection and welding 装配货舱壁护条：sparring fitted ...

装配焊接顺序 ... laying-out for assembling|n.装配划线 sequence of erection and welding|n.装配焊接顺序 plate alignment|n.拼板 ...