drilling character of rock的意思|示意
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凿岩性
drilling character of rock的网络常见释义
凿岩性 ... drilling angle 钻孔倾角 drilling character of rock 凿岩性 drilling cycling time 钻孔循环时间 ...
drilling character of rock相关例句
The test result shows the penetration rate of the bit is closely related to the transmission ratio, cutter teeth structure, rock character and drilling parameters.
试验结果表明，钻头的机械钻速与传动比、齿面结构、岩石性质及钻井参数有密切的关联，为改进这两种钻头的设计提供了重要依据。