... butt welding machine对接焊机 butt welding process对接焊法 butt welding对接焊, 对焊,平对焊 ...
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flash-butt welding process 闪光焊工艺
butt joint welding process 对接焊工艺
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The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.
介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。
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