易县水利经济从无到有，从小到大，由单一的管理型转变成综合效益型，从１座水电站，几年间变成拥有６座电站，年创收上千万元的一个产业；又从一个产业滚动发展成今天初具规模的水电、城乡供水、水利旅游为龙头的三大产业和以发展名特优品种为特色的水产养殖基地。１９９... Yi County water conservancy economy from scratch, from small to large, from a single type of management into a comprehensive benefit from a hydropower station, a few years into a power plant with 6, generating millions of dollars a year in revenue from an industry; from An industry rolling into the development of today’s scale of hydropower, urban and rural water supply, water conservancy tourism as the leading three major industries and the development of the best special varieties aquaculture base. 199 ...