短語詞組短語valved conduit 帶瓣管道valved nozzle 單向噴嘴valved cracking 閥門裂解valved nipple 有閥的螺紋接頭valved coupling 有閥的聯(lián)接器valved tube 閥門管valved homograft 同種瓣valved stents 瓣膜支架 返回 valved