concentrated drainage

例句：

1. 1. Theconstruction of this project will significantly improve theconcentrated drainage system in the area.
   该项目的建设将显著改善该地区的集中排水系统。
2. 2. Theengineers designed a new model for theconcentrated drainage system to handle the increased waterdemand.
   工程师们设计了一种新的模型来处理增加的水需求，这是针对集中排水系统的。
3. 3. The city has implemented a concentrated drainagesystem to prevent flooding during heavy rainfall events.
   该市实施了一个集中排水系统，以防止在大雨事件中发生洪水。