downstream fill 中文意思是什麼

downstream fill 解釋
下游楔形體
  • downstream : adv. ,adj. 順流(的);在下游(的)。
  • fill : vt 1 注滿,裝滿,裝填,填充。2 (風)張滿(帆),使(帆背)受風。3 充滿,充實(知識等);普及。4 ...
  1. Traditional irrigation, however, has degraded the soil in many areas, and the reservoirs behind dams can quickly fill up with silt, reducing their storage capacity and depriving downstream farmers of fertile sediments

    然而傳統的灌溉法已對多處地區的土壤造成侵蝕現象,而水壩攔截水而形成的水庫,也很快就有沙石淤積,除了降低水庫的蓄水量,還使得下游農民喪失了肥沃的沉積土。
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