catchments area

同根派生

It has a total catchment area of 17 square kilometres.
屯门河集水区的总面积为17平方公里。
The catchment area played a dominant role in determining surface runoff.
结果表明，汇水区面积对总产流起决定性作用。
Mabira is also a vital water catchment area for the country's lakes and rivers.
马比拉也是国家湖泊河流重要的水源地。
The evaluation of wastewater quality in the catchment area of Licunhe River shows that this method has clear physical meanings and fair judgements.
通过对李村河流域污水水质的判定，表明该方法物理意义清晰，结果客观公正。
It has a catchment area of 1,809,000 square kilometers, and is the major inland-river transport artery in China.
流域面积180.;9万平方公里，是中国内河运输的大动脉。