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通过对河北省12个矿24个工作面底板比压的现场观测,分析了底板比压的影响因素,划出了底板类型,提出了控制底板的措施。
Through the field observation of the floor pressure of 24 working facets in 12 mines in Hebei Province, the influencing factors of the floor specific pressure were analyzed. The type of the floor was pointed out and the measures to control the floor were put forward.