短語詞組短語flash -butt welding of rebar 鋼筋閃光對焊flash h butt welding machine 閃光對接焊機;閃光對焊機preheating flash -butt welding 預(yù)熱閃光對焊new flash -butt welding Equipment 新型閃光焊機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