ABSTRACT: in Nanjing, wastewater treatment and collection system is being built, and it is an important department for Nanjing to become the nation environment protection exemplar city.

摘要：作为南京市争创国家环保模范城重要内容的污水处理厂及其收集系统的建设正在全面展开。

youdao

In Nanjing, wastewater treatment and collection system is being built, and it is an important department for Nanjing to become the nation environment protection exemplar city.

作为南京市争创国家环保模范城重要内容的污水处理厂及其收集系统的建设正在全面展开。

youdao