Submerged arc spot welding的意思|示意

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埋弧焊点焊

埋弧点焊 ... arc seam welding 弧缝焊接 submerged arc spot welding 埋弧点焊 ; 埋弧点焊 arc-welding process 弧焊工艺 ; 电弧焊接法 ...