Journal of Mining and Safety Engineering ›› 2021, Vol. 38 ›› Issue (4): 643-654.doi: 10.13545/j.cnki.jmse.2020.0082

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Feasibility analysis of residual coal mining in the middle of unequal width composite pillar mining area

  

  • Online:2021-07-15 Published:2021-07-26

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