动力泵

"As a minimum, each finished pump shall be performance tested for total dynamic head, capacity, efficiency and power requirements at six operating points plus shut-off head for the selected impeller diameter, of which, the design capacity operating point shall be included."

每一台装配完好的泵至少要在六个工作点上进行性能测试，测试项目至少包括全动力扬程、流量、效率和功率消耗，此外，还要对用于所选择的叶轮直径断流水头的设计流量工作点上进行性能测试。

As a minimum, each finished pump shall be performance tested for total dynamic head, capacity, efficiencyand power requirements at six (6) operating points plus shut-off head for the selected impeller diameter, ofwhich, the design capacity operating point shall be included.

每一台装配完好的泵至少要在六（6）个工作点上进行性能测试，测试项目至少包括全动力扬程、流量、效率和功率消耗，此外，还要对用于所选择的叶轮直径断流水头的设计流量工作点上进行性能测试。

Centrifugal pumps are the most common pump power.

离心泵是最常见的动力式泵。

Pumping power via the shaft. These pumps are used in a wide range of applications from chemical recirculation to

TDD/STDD 泵可靠，无气泡而且是世界上同类机种中的第一部，马达全部的马力经由轴心完全转化为抽送的动力

May serve as in the hydraulic system provides the hydraulic pressure power the hydraulic pump.

在液压系统中可用作提供液压动力的液压泵。

Its composition and work principle are explained. Three problems existing in fully hydraulic brake system, brake pedal rebound and sudden braking, no inching braking; sudden power failure during traveling; spool seizure in fluid feeding valve and brake pump blasting, are analyzed. Concrete improvement measures are suggested.

论述了全液压制动系统的组成及工作原理，就全液压制动系统容易出现的以下三种问题：制动踏板反弹及制动剧烈，无点刹；行走过程中突然失去动力；充液阀阀芯卡死、制动泵炸裂进行了分析，并提出了具体的改进方案。

Generally drilling pump's power transmission is conducted by crank-connecting rod which is working with variable movement under high pressure and has complex force at work.

钻井泵的动力传递一般都由对心式曲柄连杆机构实现，曲柄连杆机构在高压条件下做变速运动，受力极其复杂。

This machine uses the equipment of two-cylinder balance compression and special hydraulic system which make the power more stable.

该机使用双缸平衡压缩，特殊的液压系统，动力更稳定。高负荷结构，安全可靠。使用了高流量轴向柱塞泵。

At present, electronic power steering and line accuse of braking in some Europe Adopted on the style, has already cut down quite a lot of mechanical parts in this system, for instance hydraulic pump,etc..

目前，电子动力方向盘和线控刹车已经在一些欧洲车型上被采用，在这个系统中已经削减了相当多的机械部件，如液压泵等。

It helps save fuel because it removes the conventional power steering pump from the engine's driven accessories.

它有助于节省燃料，因为它消除了常规动力转向，从发动机驱动的泵配件。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。