Journal of Mining and Safety Engineering ›› 2020, Vol. 37 ›› Issue (5): 991-1000.doi: 10.13545/j.cnki.jmse.2020.05.016

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Rule of multi-key strata movement-fracture evolution-dynamics of gas emission in deep long distance lower protective layer mining

  

  • Online:2020-09-15 Published:2020-10-07

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