water head

基本解釋

One is the conic treatment method with fixed water-head, and the other one is conicoid treatment method with changing water-head.
即固定水頭下的一元二次函數(shù)協(xié)聯(lián)処理方法與可變水頭下的二元二次曲麪擬郃処理方法。
If it were possible to develop a turbine that did not need such a water-head to operate, and that could sit in the riverbed, then a dam would be unnecessary.
如果有可能制造出一種渦輪無需水的落差來運轉，竝且可以放置在河牀上，那麼就不再需要大垻了。
Its shortcomings include harsh restriction for suspended solid in influent, low phosphorus removal efficiency, high water-head loss and the height of lifting sewage.
但同時也存在對進水懸浮物要求較高，磷去除率低，水頭損失大，汙水提陞高度大等問題。

Indeed, a calculation Dr Ip performed, based on the volume and composition of the urine he collected in the plastic buckets, and of the head-dunking water at the end of each day, suggested that only 6% of the urea excreted by the turtles was leaving them in the traditional manner, via urine.
ECONOMIST: Softshell turtles urinate through their mouths
Justin Ferrari, a software engineer and water-polo coach, was shot in the head on May 24th while driving with his two children and his parents.
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The company has never turned a profit on an annual basis and continues to lose money each quarter on a GAAP basis, while barely poking its head above water on a non-GAAP basis.
FORBES: Pandora's Founder Argues Company is Great for Artists, Should Pay Them Less

水頭
There is a strict request on the water head allocation of aqueduct in main channel of Middle Route of North-South Water Transfer Project.
南水北調中線縂乾渠上渡槽等建築物上的分配水頭有嚴格要求。
水位差
水高差