Two passes ASAW technology for girth weld of LPG cylinder with lock butt joint is introduced.
本文介绍了液化石油气钢瓶环缝锁底接头、两道埋弧焊工艺.
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Two passes ASAW technology for girth weld of LPG cylinder with lock butt joint is introduced.
本文介绍了液化石油气钢瓶环缝锁底接头、两道埋弧焊工艺.
互联网摘选
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