Journal of Mining and Safety Engineering ›› 2020, Vol. 37 ›› Issue (4): 715-722.doi: 10.13545/j.cnki.jmse.2020.04.09

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Investigation and practice of the reasonable cutting height at longwall top coal caving face with super-large mining height in hard and extra-thick coal seams

许永祥，王国法，张传昌，李明忠，张金虎   

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