utility diversion 中文意思是什麼

utility diversion 解釋
公用事業設施的改道
  • utility : n 1 有用,有益;實用,【經濟學】效用;功利;〈常 pl 〉 有用的東西。2 【哲學】功利主義。3 【戲劇】...
  • diversion : n. 1. 轉換,轉移,轉向;(河流、航線等的)改道;(資金等的)挪用;〈英國〉(因修路等車輛)繞行,繞路。2. 消遣,娛樂。3. 【軍事】箝制,佯攻。
  1. With backward irrigation method, rough diversion operation used in agricultural irrigation brought about serious water wasting, moreover, most of irrigation works are outdated and without repair caused serious leakage, as a result, the water utility rate of irrigation is just 0. 38 in weining irrigation area of ningxia, so it is imperative to reform water - saving engineering

    寧夏衛寧灌區灌溉方式落後,農業灌溉實行大引大排,浪費嚴重,且灌溉工程老化失修,滲漏嚴重,平均灌溉水利用率只有0 . 38 。因此,衛寧灌區實施節水改造勢在必行。實施節水改造后的衛寧灌區本文稱為沙坡頭灌區。
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