• With the similar simulation test, a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.

    通过相似模拟试验,对大段开采条件煤体靠底板侧煤体弱化程度不同情况下工作面采出进行了模拟研究

    youdao

  • With the similar simulation test, a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.

    通过相似模拟试验,对大段开采条件煤体靠底板侧煤体弱化程度不同情况下工作面采出进行了模拟研究

    youdao

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