The colliery, as one kind of the mine, is a kind of special geographical area, which is in large scale, wide area, big difference between geological condition and coal seam composition.
煤矿作为矿山的一种，是一种特殊的地理区域，规模庞大，面积较广，地质条件和煤层赋存条件差别很大。
The paper described the development plan, the selection of seam location and the arrangement methods of main roadway in Jinchang Coal Mine from the designing aspect under present geological condition.
在现有矿井地质条件下，从设计方面论述了晋昶煤矿的开拓方案、选择大巷层位及设计大巷布置方式。
The paper described the development plan, the selection of seam location and the arrangement methods of main roadway in Jinchang Coal Mine from the designing aspect under present geological condition.
在现有矿井地质条件下，从设计方面论述了晋昶煤矿的开拓方案、选择大巷层位及设计大巷布置方式。
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