catchment basin area集水域
northwest catchment s area西北诸河区
catchment t area积水面积;汇水面积;集水范围
the catchment area集水区;集水地区
Daisy big catchment area黛西排水区
Epidemiological Catchment Area行病学责任区;流行病学责任区
See catchment area见汇水面积图
epidemiologic catchment area行病学调查地;在流行病学责任区;学责任区
optimum catchment area最优积水面积
N-COUNT（可数名词） In geography, the catchment area of a river is the area of land from which water flows into the river. 下游区 [技术]