7月23日，三峡水利枢纽开启7个泄洪深孔泄洪。23日从国家防总获悉，长江上游正在形成今年以来最大洪峰，预计三峡水库25日凌晨左右将迎来70000立方米每秒左右的建库以来最大入库洪峰流量。 综合考虑未来流域降雨和来水情况、中下游防洪形势及后期洪水风险，国家防总、长江防总22日20时将三峡水库下泄流量由38000立方米每秒加大至40000立方米每秒，23日零时再次将三峡水库下泄流量加大至43000立方米每秒。 新华社发(郑家裕 摄)     July 23,，The three gorges water conservancy hub open seven deep hole flood and flood。23 from the office learned，The upper Yangtze river are forming this year since maximum flood peak，The three gorges reservoir is expected at 25, about 70000 cubic meters per second in the largest database building around since the peak flow of inventory。 Considering the future rainfall and water、The flood control situation in the late middle and flood risk，The office、The Yangtze river office 22 when the three gorges reservoir 20 will be analyzed by 38000 cubic meters per second to increase to 40000 cubic meters per second，23 again at the three gorges reservoir will be analyzed the increase to 43000 cubic meters per second。 The xinhua news agency hair(ZhengGuYu perturbation)