According to the state of geology complex and unseasonable design,through many years practice in Zhangshuang coal mine,the way of lifting the single face output in combined mining face is provided.
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释义
针对张双楼矿地质条件复杂,设计不太合理等先天不足,通过多年的实践,提出了提高综采工作面单产的有效途径。
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