短语词组短语lead -rubber damper 橡胶铅芯阻尼器lead core rubber 铅芯橡胶lead protection rubber apron 铅胶皮围裙Lead Core Rubber Bearing 铅销橡胶支座Lead - Rubber Bearing 式隔震lead protection rubber sheet 夹铅胶片lead protection rubber 铅橡皮 返回 lead rubber