headwater例句

For controlling source pollution from the sources, sloping land management in the headwater regions is necessary.
為了從源頭上控制農(nóng)業(yè)面源污染,必須根據(jù)土壤生物熱力學(xué)原理,以土壤為中心, 大力治理坡地.

In arid climates, surface water is generally better than water in headwater areas, but poorer downstream.
在干旱氣候的上游區(qū), 地表水一般較地下水好, 但下游的地表較差.

• #headwater