Through emit fuzzy cluster analysis of the caving ability of 3#coal seam in Nanyang Coal Mine, it is obtained that 3# coal seam has good caving ability and is suitable for adopting top coal caving method.
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- 通过对南阳煤矿3%23煤层冒放性模糊聚类分析,得出南阳煤矿3%23煤层冒放性较好,适合采用放顶煤开采。