气体保护金属弧焊 gas shielded metal-arc welding

无保护金属丝电弧焊 BMAWbare metal arc welding ; bare metal arc welding ; BMAW

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

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

有保护的金属电弧焊 shielded metal arc welding

气体保护金属极弧焊 gas metal arc welding ; GMAW

自动保护金属极电弧焊 shielded metal arc welding

惰气保护金属电弧焊 metal inert gas

气体保护金属电弧焊 gmaw welding