welded pipe [机] 焊接管 ; [机] 焊制管 ; 焊管 ; 有缝管
Galvanized Welded Pipe 镀锌焊管 ; 镀锌焊接钢管
butt welded pipe 对缝焊管 ; 对接焊管 ; 直缝焊管
jump-welded pipe [机] 对缝焊管
arc-welded pipe 弧焊管
spiral-welded pipe 螺旋焊接管 ; 螺旋焊缝管
longitudinally-welded pipe 直缝焊接管
lap-welded pipe 搭焊管
What are the major challenges that the Italian welded pipe sector is facing?
是什么，意大利焊管行业面临的主要挑战是什么？
Milling machine application in welded pipe production line will greatly improve the edge condition of strip steel.
铣边机在焊管生产机组上的应用将大大改善钢带的边缘状况。
Tube is welded pipe or cap in the threads in pipe fittings to cover the wall.
管帽是焊接在管端或装在管端外螺纹上以盖堵管子的管件。
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