water qulity造句

例句与造句

After pointing out the econologic problems of yangtz basin , such as water and eil erosion , sediment disposal , flood damage , and degradation of water qulity , this thesis analyses the relation between sichuan hydroelectric power exploitation and construction of econologic screen in upper region of yangtz
本文就四川水电开发与长江上游生态屏障建设作了分析，指出目前长江流域存在水土流失、泥沙淤积、洪涝灾害、水环境质量日趋恶化等问题及长江上游生态屏障建设的重点。
It's difficult to find water qulity in a sentence. 用water qulity造句挺难的