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开采矿山

网络Excavating for a mine

开采矿山

开采矿山

开采矿山

Excavating for a mine

矿山开采,mining,音... ... ) mine mining 矿山开采 ) Excavating for a mine 开采矿山 ) mining excavation damage 矿山开采损害 ...

1

Therefore, how to determine the thickness of the reservation layer in such a mining system is an important yet to be solved problem .

因此如何确定露天地下联合开采矿山保留层厚度是个重要且有待解决的问题。

2

3

Air leak and dust pollution in ore drawing through long pass in underground mine threaten the underground prodution safety .

地下开采矿山高溜井卸矿过程中的漏风及粉尘污染威胁矿山井下的安全生产。

4

The eco-environmental harness of opencast mine has been an important part of ecological restoration in China.

露天开采矿山的生态环境治理已成为我国生态环境治理的一个重要组成部分。

5

Probe into Flood Preventing and Drainage Measures as Mining of A Mine from Open-pit into Underground

深凹露天转地下开采矿山防排水措施的探讨

6

Specification for non-ferrous metal work for underground of the foundation of geology

有色金属地下开采矿山基建地质规程

7

mining ; environment protection; mine planning;

无废开采；矿山环保；矿山设计；

8

The Study on FEM Numerical Simulation in the Mining of Transition Period

过渡期开采矿山的有限单元法数值模拟

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