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通过复合顶板推垮型冒顶和旋转型推垮冒顶的原因分析，提出用模糊数学方法和宏观作图法来预报这两种冒顶事故，并用实际事故案例说明了这种方法的有效性。
Based on the analysis of the reasons why push roof collapses and rotary push collapsed roofs with composite roofs, it is proposed to predict these two kinds of roof accidents by using fuzzy mathematics and macroscopic mapping methods. The actual accident cases are used to illustrate the effectiveness of this method.