气体保护金属极电弧焊 is shielded metal arc welding ; gas metal arc welding ; MAGS ; stick welding

气保护金属极电弧焊 metal-arc gas-shielded welding ; shielded metal-arc welding ; gas metal-arc welding

自动保护金属极电弧焊 shielded metal arc welding

金属极电弧焊 metal arc welding

金属极电弧焊接 metal arc welding ; metal inert gas arc welding

金属极电弧焊条 metal-arc electrode

金属极电弧熔焊 metal-arc welding

金属极电弧切割 metal-arc cutting ; metalarccuttingMAC ; arccuttingMAC

气体保金属极电弧焊 gas metal-arc welding ; shielded metal arc welding