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
金属极隋性气体保护电弧焊
and Modification suggestion
双电极气体保护金属极电弧焊
double-electrode gas metal arc welding
钨极惰性气体电弧焊
tungsten-in ert-gas arc welding
有保护金属电弧焊
shielded metal arc welding