Qinghe Sewage Treatment Works located in the Qing River sewers for the World Bank loan project.

清河污水处理厂污水管道工程位于清河北岸，为世行贷款项目。

youdao

Qinghe Sewage Treatment Works located in the Qing River sewers for the World Bank loan project.

清河污水处理厂污水管道工程位于清河北岸，为世行贷款项目。

youdao