drilling down-the-hole bit的意思|示意
美 / /
英 / /
钻孔钻头
drilling down-the-hole bit的网络常见释义
潜孔钻头 ...关键字: 空气钻井；潜孔钻头；气固两相流；数值模拟；水力结构[gap=1584]Key words: air drilling; drilling down-the-hole bit; gas-solid two-phase; flow numerical simulation; hydraulic structure..