保证水库长期高水位运用的几点考虑蔡明清密云水库是５０年代末兴建的以防洪、供水为主兼发电和水产养殖为目的大型综合利用水库，水库建设凝聚了老一辈无产阶级革命家的心血，凝聚了老一辈水利工作者的汗水。水库建成后对京津冀地区的经济发展和人民生活发挥了巨大作用，... Several considerations to ensure the long-term high water level of reservoirs Cai Mingqing Miyun Reservoir is a large-scale comprehensive utilization reservoir built in the end of 1950s for the purpose of flood control, water supply and power generation and aquaculture. The construction of reservoirs will unite the efforts of proletarian revolutionaries of the older generation , Unite the sweat of the older generation of water conservancy workers. After the completion of the reservoir, it has played a great role in the economic development and people’s livelihood in the Beijing-Tianjin-Hebei region.