water head
水头
常用释义
英式发音
美式发音
基本释义
- 水头：单位重量液体通过泵所获得的能量。
例句
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1·He jump into the water head over heels.他头向下地跳进水里。
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2·The type of flow would affect the calculation of water head losses.管内流态的变化会影响水头损失的计算。
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3·It is also part of the watertight envelope, and subject to the local water head.它也是水密外壳的组成部分，并承受局部水压力。
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4·Higher water head closure has become a trend with the development of river way closure.从河道截流的发展趋势来看，高水头截流已成为一种趋势。
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5·The method disturbs the flow pattern relatively less and the water head loses in small.此补强方法对水流流态干扰较少， 水头损失小。
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6·Generating according to constant water head could improve the hydropower plant's economy benefit.恒水头发电能使单位体积的水发出更多的电能，从而提高水电厂的经济效益。
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7·When the system is confined well, the change of observation water level has a linear relation with water head change.在系统封闭很好的情况下，观测水位的变化基本与水头的变化呈线性关系。
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8·The turbine for the Three Gorges Project is one of the mixed-flow turbines with great changes of operation water head.三峡电站水轮机是运行水头变幅最大的混流式水轮机之一，其外形尺寸和重量亦是当前混流式水轮机之最。
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9·Actually, in the tube engineering, the proportion of the loss of local water head in the loss of pipeline water head is big.在实际管道工程中，阀门阀道的局部水头损失占管路水头损失的比例是相当大的。
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10·Because of the high water head and high flow speed, the aeration for preventing cavitation erosion becomes more and more important.由于水头高，流速大，明流泄洪洞的掺气减蚀越来越受到重视。
同义词
n.
水头（水源）；水压；[水利]水位差；落差