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文章根据峰峰矿区实测资料,求出采动过程中(工作面推进过程中)地表任意点任意时刻下沉速度的预计公式,根据公式计算结果与实测资料对比获得较满意的结果。
According to the measured data of Fengfeng Mine Area, the article obtains the expected formula of sinking velocity at any point on the ground surface during the mining process (in the process of working face propulsion), and obtains the satisfactory result according to the calculated result and the measured data.