Some experience summarized should be applied reference for the reconstruction projects of old city sewage pipe net.
2
污水处理厂、城市排水管网改造、河道综合整治等一些关键性的大项目建设明显滞后。
Sewage treatment plants, urban drainage network transformation, rivers, such as the comprehensive rectification of the large number of key construction projects has lagged far behind.
点击反馈