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从刘冲矿Ⅰ号矿体北段两次大面积地压活动出发，总结了对其预报的依据，归纳了该矿地压活动的特征和基本规律。
Based on two large-scale ground pressure activities in the northern section of No.1 mine in Liuchong Mine, the basis of its prediction is summarized, and the characteristics and basic rules of the underground pressure activities are summarized.