“91·7”洪灾,是指1991年7月23日7时至25日7时发生在山东省临沂地区的洪水灾害。这次洪水造成全区360.13万亩农田成灾,其中绝收36.04万亩,倒塌房屋5.23万间,冲毁水利工程4500多项,50多个县属以上工业企业被迫停工停产,大量交通、电力、通讯设施被毁坏,直接经济损失达7.86亿元。痛定思痛。笔者通过认真分析思考,认为造成这次 The “91 July” flood disaster refers to the flood disaster that occurred in Linyi Prefecture, Shandong Province from 7:00 on July 23, 1991 to 7:00 on the 25th. The flooding caused a total of 3,601,300 mu of farmland in the entire district to be plagued with a total area of ​​364,400 mu, including 52,300 mu of collapsed houses and over 4,500 water conservancy projects. Over 50 industrial enterprises above designated county level were forced to stop production and stop production. Traffic and electricity , The communication facilities were destroyed, and the direct economic loss reached 786 million yuan. Bitter experience. The author through careful analysis and thinking, that caused this