Journal of Mining and Safety Engineering ›› 2021, Vol. 38 ›› Issue (1): 58-67.doi: 10.13545/j.cnki.jmse.2019.0475

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Mechanism of combined support by bolts for adjacent roadways in the external-staggered split-level panel layout

  

  • Online:2021-01-15 Published:2021-01-29

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