graphiten.石墨;黑铅;铅笔粉
graphite oven石墨炉
graphite seal石墨密封件
graphite cake石墨板
graphite body石墨体
graphite lung石墨肺
graphite type石墨类型
graphite bomb石墨炸弹
graphite pump石墨泵
graphite pipe石墨管
graphite weir石墨挡坎