福克斯词典 \

英汉例句

\ headwater的例句（headwater在句子中的用法）

headwater的例句（headwater在句子中的用法）

In arid climates, surface water is generally better than water in headwater areas, but poorer downstream. 在干旱气候的上游区, 地表水一般较地下水好, 但下游的地表较差.
For controlling source pollution from the sources, sloping land management in the headwater regions is necessary. 为了从源头上控制农业面源污染,必须根据土壤生物热力学原理,以土壤为中心, 大力治理坡地.

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