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淮河流域历史上就是洪涝灾害频发的地方。1975年8月上旬,一场罕见的特大暴雨突降河南省中部地区,在河南省腹地从沙汝河到洪汝河流域近2万平方公里的面积上,降雨量在
The history of the Huaihe River Basin is where flood disasters occur frequently. In early August 1975, a rare heavy rainfall plunged in the central region of Henan Province. In the hinterland of Henan Province, from the Sharu River to the Hongru River Basin, nearly 20,000 square kilometers of area, rainfall