短語詞組短語Seamless inner grooved copper tube 無縫內(nèi)螺紋銅管Seamless copper -tube for cable 電纜用無縫銅管Seamless copper tube for heat -exchanger 熱交換器用銅合金無縫管Seamless Copper -Nickel Pipe and Tube 無縫銅鎳合金管 返回 seamless copper tube