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介绍一种配套综采放顶煤工作面提高顶煤和巷道三角煤回收率，加大工作面的分段高度，提高短工作面单产，工效的深孔爆破技术。
This paper introduces a deep-hole blasting technology which is used to improve the recovery ratio of top coal and roadway coal, increase the section height of working face and improve the yield and work efficiency of short working face.