金属惰性气体电弧焊 mig welding ; metal arc inert gas welding

金属极惰性气体电弧焊 inert gas metal arc welding

惰性气体电弧点焊 inert gas arc spot welding

惰性气体保护电弧点焊 inert gas spot welding

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

惰性气体保护电弧焊 inert-gas-shielded arc welding

惰性气体遮蔽电弧焊 Gas Shield Metal Arc Welding