catchment area
柯林斯詞典
1. N-COUNT In geography, the catchment area of a river is the area of land from which water flows into the river. 下游區(qū)[技術(shù)]
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1. N-COUNT In geography, the catchment area of a river is the area of land from which water flows into the river. 下游區(qū)[技術(shù)]