短语词组短语bronze e bearing 青铜轴承Oily bronze graphite bearing 青铜石墨含油轴承bronze flanged bearing 轴承lead -bronze bearing 铅表铜轴承graphite bronze bearing 石墨青铜轴承bronze -iron bearing 青铜铁轴承graphite e bronze bearing 石墨青铜轴承 返回 bronze bearing