过去,湖南省桃源县王家湾水库每年因溢洪逃鱼达数吨,1982年,该库在溢洪道设置了静电防逃设施,运行至今,收到了良好的防逃效果.近几年,全国有28个省、市、自治区的水利部门共300多人次曾专程到水库参观学习,并有13个大型水库应用成功. In the past, the Wangjiawan Reservoir in Taoyuan County, Hunan Province, flew tens of tons of fish annually due to floods. In 1982, the reservoir was equipped with an anti-escaping facility on the spillway. Since operation, it has received good anti-escaping effect. In recent years, More than 300 people from 28 water conservancy departments in 28 provinces, municipalities and autonomous regions made a special trip to visit the reservoir and 13 large reservoirs were successfully used.