pumping head
水头：指液体在泵中产生的压力
常用释义
英式发音
美式发音
基本释义
- 水头：指液体在泵中产生的压力，用于推动液体流动的能力。
- 扬程：指液体在泵中上升的高度，也可以理解为液体被泵抬升的能力。
- 泵压头：指泵在工作时所需的额外压力，用于克服管道摩擦、阀门阻力等。
例句
-
1·Engineers had spent days pumping heavy drilling fluid into the leaking well head on the ocean floor in a high-pressure bid to smother the gushing crude and ultimately seal the well with cement.工程师们数日来一直向海底的泄漏油井泵入大量的钻探泥浆，希望用高压堵住喷涌的原油，最后用水泥封死油井。
-
2·These are mostly "easy things" like fiddling with aerodynamics or pumping coolant "on demand", says Hans Rathgeber, BMW's head of vehicle architecture.照宝马的汽车架构主管汉斯·拉特·格贝尔说法，这里大多数诸如鼓捣鼓捣空气动力学或即时泵入冷冻剂这种小改动。
-
3·The active systems consist of several pumping systems of varying discharge pressure and flow rates, e. g., high head injection system, low head injection system.能动系统由不同注入压力和流量的泵系统组成，如高压安注系统，低压安注系统。
-
4·In the technology reform of Dongjiang Pumping Station, a large scale axial -flow pump with double speed is used to fitting in with the nature of the pump head varying greatly.东江泵站结合扬程变化幅度大的特点，在技术改造中采用双速全调节叶片的大型轴流泵机组型式，取得了明显的节能效益。
-
5·The multistage pumping stations have characteristics of high head and great energy consumption, so it is economical to make multistage pumping stations operate in optimization.梯级泵站具有扬程高、能耗大的特点，对其进行优化调度，经济效益相当可观。
-
6·When pumping water, the head, shaft power and efficiency of the pump decrease with the reducing in impeller diameter.输送水时，叶轮切割后，泵的扬程、轴功率、效率都下降。
-
7·For pumping storage stations with wide rangeability of head and discharge, a speed-adjustable motor-generators can be used for improving operation condition.在水头、负荷变化范围较大的蓄能电站中，为改善机组运行工况，可以采用速度可调的发电电动机。
-
8·Over pumping of ground - waters produces a difference in hydrostatic head in favor of the seawater.过量抽取地下水时，产生利于海水的流体静力学水位差。
-
9·Some useful methods provailed in our country are presented here for calculating the economical head in pumping irrigation.本文介绍了国内关于经济扬程现有的几种计算方法，并分别进行了分析评价。
-
10·The flow regime, sediment deposition and the loss of head of two head tanks of the sewage pumping station with different dimensions are studied by using a hydraulic model test method.采用水力模拟的方法对两个不同结构尺寸的污水泵站高位井的水流流态、泥沙淤积及水头损失等进行了模型试验。