短語(yǔ)詞組短語(yǔ)flash -butt welding of rebar 鋼筋閃光對(duì)焊flash h butt welding machine 閃光對(duì)接焊機(jī);閃光對(duì)焊機(jī)preheating flash -butt welding 預(yù)熱閃光對(duì)焊new flash -butt welding Equipment 新型閃光焊機(jī)crankshaft flash butt welding 曲軸電阻弧花壓焊pulse flash butt welding 脈沖閃光焊 返回 flash butt welding