一、前言水资源短缺和水环境污染造成的水危机已经成为我国社会经济发展的重要制约因素,水危机的缓解依赖水资源的可持续利用和保护,而水资源的可持续利用和保护只有通过优先发展水工业,建立系统完备的水工业体系才有可能真正得到实现。民以食为天,食以水为先。没有水,就没有人类的产生和发展,也就没有社会的文明 I. INTRODUCTION The water crisis caused by the shortage of water resources and the pollution of water environment has become an important restrictive factor for the social and economic development in our country. The alleviation of the water crisis relies on the sustainable utilization and protection of water resources, and the sustainable utilization and protection of water resources can only be achieved through Priority will be given to the development of the water industry and the establishment of a well-integrated water industry system that can truly be realized. People eat fresh, eat water first. Without water, there will be no emergence and development of mankind and there will be no social civilization