Several cases of roof bolting application in various mining and geological conditions were described.

在不同的采矿地质条件下，进行了多种顶板锚固应用研究。

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It has some reference value for the study of model experiment in mining and geological engineerings, etc.

本文的研究结果对于采矿工程和地质工程等问题的模拟实验研究具有一定的参考价值。

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They are suitable for the piston bars of sludge pumps, nozzles for sludge and spare parts for machines in mining and geological prospecting.

适应于地原矿勘探用泥浆泵活塞杆、泥浆喷咀及机械配件。

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Studies about Kyrgyz small-scale mining were conducted by the World Bank and the Geological Survey of Denmark and Greenland.

BBC: NEWS | Technology | Miners tap into video goldmine

To determine whether a deposit has enough of a mineral to merit mining, companies use air-based geological mapping and drill for core samples.

WSJ: Exhausting the Earth's Resources? Not So Fast

Mr Barron said he hoped the geological problems at the pit could be solved and that mining could continue there.

BBC: Maltby Colliery