improve the eco-construction的意思|示意

加强生态建设 ... 改善生态环境improve the eco-environment 加强生态建设improve the eco-construction 防治污染prevent and control pollution ...

加强生态 ... 改善生态环境 improve the eco-environment 加强生态 建设 improve the eco-construction 防治污染 prevent and control pollution ...