Journal of Mining and Safety Engineering ›› 2023, Vol. 40 ›› Issue (1): 82-90.doi: 10.13545/j.cnki.jmse.2021.0588

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Deformation and failure law and control technology of  right-angle trapezoidal mining roadway in deep mine

  

  • Online:2023-01-15 Published:2023-01-15

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