Optimizing roadway arrangement way unceasingly, reducing the tunnel drivage ratio is an important task in the mine mining design process.
不断优化巷道布置方式，降低巷道掘进率，是矿井开采设计过程中的一项非常重要任务。
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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