城市是人口高度集中和产业高度发展的地区,因此,城市水资源问题表现得更加突出。据对全国约400个城市水资源调查,其中列入水资源匮乏的城市有183个,有40个城市为严重缺水城市。郑州市列入严重缺水城市之一。因此,大力开源节流,开拓节水技术,制定节水措施,挖掘城市节水潜力,到了刻不容缓、势在必行的地步。 Cities are the areas with high concentration of population and highly industrial development. Therefore, the problem of urban water resources is more prominent. According to a survey of water resources in some 400 cities nationwide, there are 183 cities listed as under-resourced and 40 cities as cities with severe water shortages. Zhengzhou City, one of the cities listed as a serious water shortage. Therefore, vigorously increase income and reduce expenditure, develop water-saving technologies, formulate water-saving measures and tap the potential of urban water-saving, it is imperative that it is imperative.