Study on sensitive factors affecting top-coal caving characteristic in steep coal seam containing pressurized gas by roadway sublevel caving mining method with grey relevance analysis

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Lin, Da-Neng
Hu, Wei
Xiong, Ren-Qin
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Xiangtan Kuangye Xueyuan Xuebao/Journal of Xiangtan Mining Institute | 2001年 / 16卷 / 04期
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