mash seam welding滚压电阻缝焊 mash seam weld压薄缝焊; 滚压焊 mash stitch welding多针缝式焊接 mash weld点焊; 点压焊 mask welding电焊眼罩 match assemble welding装架焊接 melt thru weld熔透焊缝 melting through weld熔透焊缝 melt-through weld透溶焊 metal arc welding金属电弧焊 metal buried welding埋...
mash seam welding滚压电阻缝焊 mash seam weld压薄缝焊; 滚压焊 mash stitch welding多针缝式焊接 mash weld点焊; 点压焊 mask welding电焊眼罩 match assemble welding装架焊接 melt thru weld熔透焊缝 melting through weld熔透焊缝 melt-through weld透溶焊 metal arc welding金属电弧焊 metal buried welding埋...