大采高综采采空区条件下上行开采关键问题研究

孙闯, 闫少宏, 徐乃忠, 刘义新

Key problems of upward mining under the condition of fully mechanized goaf with large mining height

采矿与安全工程学报 . 2021, (3): 449 -457 . DOI: 10.13545/j.cnki.jmse.2020.0086