Backbone of impounding reservoir basin flood more than 40 billion cubic meters. Nen River Reservoir Nierji exceed 50 years floods cut from 10 to 20 years, a case, clipping rate of 42%. Second Songhua Hakusan, full reservoir will flood once in 60 years reduced to once in 20 years, the United clipping rate of 88%. Flood control measures to ensure the safety of these important downstream flood protection zone.
正在翻譯中..