The structure, constitute, working principle, and design feature of automatic welding system which pro- duces extra- thin, large diameter, long tube, and longitudinally or circle weld are introduced.
介绍了超薄壁，大直径，长筒体，纵、环缝自动焊接系统的结构、组成、工作原理及设计的主要特点。
The structure, constitute, working principle, and design feature of automatic welding system which pro- duces extra- thin, large diameter, long tube, and longitudinally or circle weld are introduced.
介绍了超薄壁，大直径，长筒体，纵、环缝自动焊接系统的结构、组成、工作原理及设计的主要特点。
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