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Top coal flows in an excavation disturbed zone of high section top coal caving of an extremely steep

期刊名字：矿业科学技术
文件大小：676kb
论文作者：Miao Shengjuna，Lai Xingping，Cu
作者单位：Civil & Environmental Engineering School,School of Energy Engineering
更新时间：2020-06-12
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Top coal flows Extremely steep and thick coal seam High section top coal caving