It is very helpful to improve the river water quality.
十分有助于河流水质的改进。
Zhaoyuan section is the frontage of monitoring water quality of Songhua River main stream.
松花江肇源江段是松花江干流水质监测的前哨。
For achieving the goal of water quality for Liao River, it's necessary to Strengthen.
为实现辽河的水质目标，必须加强非点源污染的治理。
Water quality model for the river network has been studied in this paper.
本文研究了河网水质数学模型。
Therefore, dredging of sediment will improve greatly water quality of the river.
因此，对淤泥进行清淤将会大大提高河道的水质。
In recent years, the Xiangjiang River and Dongting Lake water quality has been deteriorating.
近年来，湘江与洞庭湖水质同趋下降。
Water Quality of Lower Reaches of Jinsha River;
金沙江是长江上游河流泥沙的主要来源。
Water Quality of Lower Reaches of Jinsha River;
金沙江是长江上游河流泥沙的主要来源。
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