• The paper analyzes the prospect of CMM based on investigations on coal output, gas emission and changes of gas drainage quantity in mine areas in China.

    文章分析我国煤矿煤炭产量瓦斯涌出、瓦斯放量变化基础,提出我国煤矿煤层气开发前景的分析。

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  • Direct coal-burning, quantity of heat, high output, and reduce the production cost.

    直接燃煤热量大产量降低生产成本

    youdao

  • Direct coal-burning, quantity of heat, high output, and reduce the production cost.

    直接燃煤热量大产量降低生产成本

    youdao

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