geologic condition

基本解释

Combine with the practice, to study the change law of geologic condition is important significance to rational mining resource, it make the economic effect to raise.
结合生产实际，阐述了研究地质条件的变化规律，对矿井合理开采优质资源，提高经济效益有重要的指导意义。
This article focus on describe the type of cutting tools and cutting theory, Meanwhile, the detail cutting tools configuration has been proposed due to different geologic condition.
本论文着重介绍了刀具的种类和切削原理，同时针对不同的地层情况，提出刀具的具体配置方式。
The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.
实践表明，采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况，尤其是含水情况具有较好的预测结果。

When a geologic condition allows the matter to get buried the methane becomes trapped—-hence we have natural gas underground today.
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