Journal of Mining and Safety Engineering ›› 2022, Vol. 39 ›› Issue (1): 54-61.doi: 10.13545 /j.cnki.jmse.2020.0442

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High  development characteristics of water flowing  fractured zone in  fully-mechanized  top-caving  mining  of extremely  thick  coal seam underwater

  

  • Online:2022-01-15 Published:2022-01-15

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