This paper discusses the destruction of coal development to mine environment and its treatment countermeasure.

探讨了煤炭开发对矿山环境的破坏与治理问题。

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On the basis of the case study of Anjialing surface coal mine, the trends in the development of shovel-truck technology have been analyzed.

最后在安家岭露天矿实例研究基础上，分析了该工艺在我国露天矿开发中的发展趋势。

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At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province.

目前国内外煤层气地面开采技术、井下瓦斯抽放技术均已成熟，四川煤层气开发利用是可行的。

youdao

The coal industry is a good example of how managements get carried away in the up cycle, committing serious money to new mine development and buying sizable coal operators at premium prices, further leveraging their capital structure.

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He said Scottish Coal had been operating at an opencast mine in the area for 14 years and this latest development would see it continue for another eight years at least.

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