短語詞組短語Flash Butt Welding 閃光對焊;火花對頭焊接;對接閃光焊crankshaft flash butt welding 曲軸電阻弧花壓焊flash -welding 閃光焊接pulse flash butt welding 脈沖閃光焊flash roaster welding 弧焊preheating flash butt welding 預(yù)熱閃光焊flash butt welding machine 閃光對焊機;閃光對接焊機;閃光電焊機resistance flash butt welding 閃弧對接電阻焊;閃光對接焊flash butt welding machellone 閃光對于焊機 返回 flash welding