To resolve urban storm issues only through discharging in the past years, which resulted lots of rainwater flowing away through municipaldrainage system.
解决城市暴雨问题，过去一味强调疏与排，这样做的结果是大量雨水从城市排水系统流走了。
2
Introduced hereby is the mechanism of the biological deodorization, natural vegetable liquid deodorization and ion clarification widely applied in municipaldrainage works.
介绍了在市政排水工程中普遍使用的生物除臭技术、天然植物提取液除臭技术和离子净化技术的原理。
3
The drainage systems of urbanized area include the municipaldrainage systems that consist of rain pipes and the hydrological drainage system that developed from the farm drainage system.