Based on the analysis of components, physical and chemical features in urban district of Chongqing city, the proposal using system of domestic waste comprehensive treatment was put forward.

对重庆市主城区生活垃圾的组成成分、物理特性及化学特性进行了相关分析，由此对主城区生活垃圾的处理提出了采用城市生活垃圾综合处理系统的建议。

youdao

Water pollution caused by many factors: the body of water without proper treatment of urban domestic sewage and industrial waste water;

造成水体污染的因素是多方面的：向水体排放未经过妥善处理的城市生活污水和工业废水；

youdao