青铜石墨轴承 tin-copper-graphite bearing ; bronze-graphite bearing

铜-石墨轴承 copper-graphite bearing

石墨青铜轴承 graphite bronze bearing

石墨青铜轴承合金 [材] oilite

青铜石墨含油轴承 Oily bronze graphite bearing

多孔石墨青铜轴承 porous graphite-containing bronze bearing