The water quality situation of Shuangyang River was assessed, the pollution control measures were suggested.

评价了双阳河水质状况，提出了治理污染的建议。

youdao

The water quality situation of Shuangyang River was assessed, the pollution control measures were suggested.

评价了双阳河水质状况，提出了治理污染的建议。

youdao