短語詞組短語tube rolling mill 管材軋機;軋管機;鋼管軋機;多根管材冷拉拔機tube push mill 頂管機tube welding mill 焊管機tube casting mill 鑄管廠tube roll mill 筒輥磨tube reducing mill 管材減徑機tube forming mill 管材成型機seamless tube rolling mill 無縫管軋機tube roller mill 筒輥磨 返回 tube mill