气体金属弧焊法 gas metal-arc welding

气体金属电弧焊 Gas Metal Arc Welding process

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

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

惰性气体金属电弧焊 metal inert gas arc welding ; gas arc welding

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

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

气体保护金属电弧焊 gmaw welding