urban sewerage的意思|示意

The pollutants mainly come from the urban industrial production and livings of residents. Therefore, the key to water pollution control is the urban sewerage control.

目前小清河流域水体已经受到严重污染，污染源主要为城市工业生产和生活污水，因此城市污水治理是水污染控制的关键。

The results show that nitrogen, phosphorus and organic matter from the urban sewerage and the agricultural non-point source pollution play an important role in Chaohu Lake eutrophication.

结果表明，城镇生活污水和农业面源污染输入的氮、磷以及有机物，对巢湖富营养化起着重要的作用。

Sewage and treated water can be a heat source in urban area due to large heat capacity, thus recovery and reuse of its energy is one of the most desirable plans for the sewerage system.

由于热容大，污水及其处理后的水可以成为城区的一个热源，因此，人们非常希望在污水系统规划中回收和再利用这些热能。