中国历史上的大水灾据史载．在历史上，从公元前２０６年到１９４９年，在此２１５５年期间，我国发生过较大洪水１０９２次，平均每２年有一次水灾。建国后，也发生过几次较大洪水灾害，对我国人民的生命财产安全造成了极大的危害。现将我国主要江河发生的几次严重水灾概... According to historical records, the great flood in Chinese history. Historically, from 206 BC to 1949, during this period of 2155, there were 1092 major floods in our country, with an average of one flood every two years. After the founding of the PRC, several major flood disasters also took place, which greatly jeopardized the lives and property of our people. Now several major floods occurred in our country’s major rivers ...