我国水务产业年产值将达2000亿元,巨大的市场前景将引发一场新的水淘金热。专家预测,2l世纪将是水大王的天下。据统计,我国目前有近400个城市不同程度缺水,其中100多个城市严重缺水,每年因缺水而影响工业产值达2300亿元。2000年的大旱迫使北京、天津、大连、青岛等城市实行生活用水定额管理。21世纪的人们都已迫切地感到水危机的来临。我国虽然水资源丰富,但由于市政工程功能不足,造成工程性缺水;其中由 China’s water industry will reach 200 billion yuan in output value, a huge market prospect will lead to a new water gold rush. Experts predict that the 21st century will be the king of water. According to statistics, there are currently nearly 400 cities in our country with water deficits to varying degrees, of which over 100 cities are seriously water-scarce. The annual industrial output value due to water shortages amounts to 230 billion yuan. The heavy drought in 2000 forced the management of domestic water quotas in cities such as Beijing, Tianjin, Dalian and Qingdao. People in the 21st century are eager to see the water crisis coming. Although our country is rich in water resources, due to lack of functions of municipal engineering, it causes engineering water shortage. Among them,