【摘要】 根据城市污水性质和水生态系统现状 ,分析了城市水污染的成因 ,讨论了预防城市环境污染的方法 ,介绍了自然处理系统、以土壤为基础的处理系统、湿地处理系统等废水处理机制。更多还原

【Abstract】 Based on the characteristics of waste water and present situation of water ecological systems in cities, causes of water pollution are analyzed, and methods for prevention of environment pollution are discussed. Some waste water treatment systems are introduced, such as the natural treatment system, soil based treatment system, marsh treatment system, and so on.更多还原