Journal of Mining & Safety Engineering ›› 2017, Vol. 34 ›› Issue (1): 91-95.
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Key words: pattern recognition, large mining height fully mechanized mining, support collapse accident, warning indicators
FAN Zhizhong，MAO Debing，QI Qingxin. Study on the warning index of roof collapse in the two-pillar-shield support working face[J]. Journal of Mining & Safety Engineering, 2017, 34(1): 91-95.
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