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义乌是全球最大的国际性商贸城市,属严重缺水地区,人均拥有的水资源不足全国人均的一半。近年来,随着外来人口的不断增加和经济的快速发展,工业废水和生活污水的排放量不断增加,水生态环境日益恶化。而随着人民生活水平的不断提高和饮水健康意识的不断增强,生活饮用水的水质卫
Yiwu is the largest international trade city in the world. It is a severely water-scarce region with less than half of the country’s per capita water resources. In recent years, with the continuous increase of foreign population and the rapid economic development, the discharge of industrial wastewater and domestic sewage has been continuously increasing, and the ecological environment of water has deteriorated day by day. With the continuous improvement of people’s living standards and health awareness of drinking water continues to increase, the quality of drinking water