气电联合焊接 gas electric welding

大气压电子束焊接 non-vacuum electron beam welding

气电管状焊条焊接 [机] electrogas flux-cored welding

氦[气电]弧焊接 heliarc welding

气体自动电弧焊接 airautomaticwelding

气体遮护电弧焊接 GMAW ; Gas Metal Arc Welding

气体自动[电弧]焊接 air automatic welding