integrated drainage

例句：

1. 1.The city has implemented a comprehensive drainage system to manage stormwater runoff.
   该城市实施了一个综合排水系统来管理暴雨径流。
2. 2. The engineer designed the drainage system with careful consideration of the environmental impact.
   工程师在设计排水系统时，仔细考虑了环境影响。
3. 3. The construction of this new drainage system is expected to reduce water pollution in the area.
   新排水系统的建设预计将减少该地区的水污染。