... girth sheet 圈板 girth welding 环缝焊接 gis gis 任何毋须蘸颜料的杆状画笔(铅笔、粉笔、蜡笔)的总称(墨西哥艺术用语) ...
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butt girth welding seam 对接环焊缝
Girth-Welding 环形焊接
hutt girth welding 对接环缝焊
girth welding joint 环焊接头
girth welding machine tool 环缝焊接机床
Two different welding processes were used in the girth welding of the domestic X70pipeline steel.
本研究采用不同的焊接工艺对X70 管线钢管进行环缝焊接。
Owing to the small diameters of conduit pipes and bracing tubes, the girth welding has to be done with one side welding both sides formation technology.
海洋平台构件中的导管、撑管，因管径小，其环焊缝只能采用单面焊双面成型焊接工艺。
The invention is used for automatic air gouging back gouging of the straight welding line and the girth welding line of the large cylindrical welding structure.
本发明用于大型圆筒形焊接结构的直焊缝和环行焊缝自动气刨清根。
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