The research plays a positive role in the prevention and control of groundwater problems in coal mining process.
通过本文的研究，为煤矿开采过程中地下水防治起到积极作用。
The easy ignition area in compound mining caving coal process and reason are analyzed and determined.
分析了确定综采放顶煤开采工艺易发火地区及发火原因。
On-way distribution of dust in the full face mining was researched during the process of coal mining machine cutting coal.
研究采煤机在割煤落煤过程中，粉尘在综采工作面的沿程分布情况。
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