Roof coal caving mining 放顶煤回采
coal caving mining methods 放顶煤采煤法
high top coal caving mining 大放高综放
longwall top-coal caving mining 放顶煤开采
fully mechanized coal caving mining 综放开采
comprehensive top coal caving mining 综采放顶煤
full-mechanized top-coal caving mining 综采放顶煤
Finally, the paper considers that the fully mechanized coal caving mining is helpful to control outburst hazard.
具突出危险性的厚煤层采用综采放顶煤开采法对消突是有积极作用的。
There are strict regulations in top-coal caving mining with hazard of coal and gas outburst. The main reason is the problem of safety.
煤与瓦斯突出危险煤层的放顶煤开采有严格的法规限制，限制主要是从安全上考虑的。
The design of South Tsui million tons of coal mines with an annual output of 0.743 fully mechanized top coal caving mining face design.
现设计南家咀煤矿年产0.743百万吨煤综采放顶煤回采工作面设计。
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