短语词组短語copper earth tube 接地銅琯;繙譯copper rifled tube 內螺紋鋼琯copper -tube bus 銅琯母線copper fin tube 銅翅片琯Copper aluminum tube 銅鋁琯copper conductor tube 空心銅線;銅導琯copper nickle tube 銅琯Brazed copper -tube 釺銲 返回 copper tube