短语词组短语lead -bronze Ņ bearing 铅青铜轴承lead 2 bronze bearing 铅青铜轴承high lead tin bronze 高铅锡青铜sinter lead -bronze lining 烧结铅青铜衬层copper -lead-bronze alloy 铜co er -lead-bronze alloy 青铜合金 返回 lead bronze