drill equipment and surface tools的意思|示意
美 / /
英 / /
钻井设备和地面工具
drill equipment and surface tools的网络常见释义
钻探设备及地面钻探机具 ...s of rock and rock fragmentation 钻孔和钻井drill hole and well 钻探设备及地面钻探机具 drill equipment and surface tools ..