陈建宏,覃曹原,邓东升
CHEN Jianhong,QIN Caoyuan,DENG Dongsheng
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[1] Liu Hongtao,MA Nianjie,WANG Jianmin,et al.Analysis on roof falling hidden danger grading of mining gateway[J].Coal Science and Technology,2012,40(3):6-9,104.[刘洪涛,马念杰,王建民,等.回采巷道冒顶隐患级别分析[J].煤炭科学技术,2012,40(3):6-9,104.] |
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