Urban stormwater management system is very important for urban production and life.

城市暴雨雨水管理系统对城市的生产、生活具有十分重要的意义。

youdao

Glassed swale, which is widely used in urban stormwater management is an ecological facility of rainwater collection, convey and purification.

植被浅沟是一种生态型的雨水收集、输送和净化措施，被广泛地用于城市园区雨水利用和城市径流非点源污染控制系统。

youdao

The components in the urban stormwater runoff are very complicated, and its range of concentration change is very big, so it is very difficult to dispose of the urban stormwater runoff.

城市雨水径流污染物组分复杂，浓度变化大，可生化性差，排放间歇且无规律，故处理起来难度较大。

youdao

Phosphorous from detergents often contaminates urban stormwater, while nitrogen comes primarily from fertilizer use in agricultural areas.

VOA: standard.2010.08.04

Stormwater runoff, caused by rainwater running off impervious pavement, is a principal cause of urban waterway pollution nationwide.

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