短语词组短语Flexible rubber joint 可曲挠橡胶接头;挠性橡胶接头Flexible house joint 软管接头flexible uniersal joint 挠性元件总成flexible pipe joint 柔性管接头flexible adapting joint 承插式柔性接口flexible free joint 柔性万向节flexible tube joint 柔性管接头 返回 flexible joint