水泵

MATLAB在离心式水泵性能曲线测定中的应用

The Application of MATLAB in Water Pump Characteristic Curve Measurement

基于GPRS的城镇给水泵站远程监控系统

GPRS-based Remote Monitoring System for Town Water Pump Station

她在客栈前的水泵旁洗了洗脸。

She washed her face at the pump in front of the inn .

水泵坏了，我们没有自来水了。

The pump doesn 't work and we have no running water

有一只手摇水泵用来排水。

There is a manual pump to get rid of the water .

五金店内水泵和防水油布已经卖光了。

Hardware stores have sold out of water pumps and tarpaulins

楼里没有水，只是在庭院里有个水泵。

There was no water in the building , just a pump in the courtyard

水泵开动了，消防队员们开始用水灭火。

The pumps were started and the crew began to douse the fire with water .

我们需要存下200英镑以备更换水泵阀。

Well we need to put by £ 200 for the pump valves to be renewed .

我们试着用柴油机来带动水泵。

We experimented with diesel engines to drive the pumps .

PLC控制变频调速实现水泵自动调压

Realizing Auto - adjusting Pressure for Pump by PLC Controlled Frequency Converter

在AutoCADForWindows平台下开发水泵CAD系统的软件编程技术

Programming Technology of Pump CAD System Under the platform of AutoCAD for Windows

介绍一种基于DSP的光伏水泵变频控制系统。

This paper presents a PWM inverter based on DSP for PV pumping system .

PLC在水泵综合试验台控制系统中的应用

The Application of PLC in Use of the Control System of the Multipurpose Test-Platform for Water Pumps

LOGO！及其在智能大厦生活水泵控制中的应用

LOGO ! and the Application in the Pump Control System for Intelligent Building

封闭式水泵吸水室内部流场的PIV试验研究

Experimental Research on Flow in the Closed Pump Sump with PIV

基于Hermite曲线的水泵叶片曲面动态调控方法

Dynamic controlling of pump blade shape based on Hermite curve formula

柔性石墨垫料在SH型水泵的应用

Application of Flexible Graphite Gasket on Pump SH

只要将水泵壳体座52~（+0.03）mm孔按水泵衬座外径尺寸镗至55~（+0.06）mm，即可换装改进后的密封。

The water pump liner seat of 55 ~ + ( 0.06 ) mm outside diameter should be bored to install the modified seal .

这为利用PIV技术研究水泵吸水室内部的流场建立了基础。

These were the basis of researching the inner flow field of the pump sump where PIV technology was used .

针对恒压供水系统，介绍了用PLC实现变频恒压控制的工作原理，对其中的水泵机组自动切换程序进行了优化设计，并给出了PLC梯形图。

As to the constant pressure water-supplying system , introduced the principle of constant pressure water-supply by frequency control using PLC , designed the automation switch pump program and give out the PLC ladder chart .

QH曲线平缓的水泵更适合于调速运行；

Pumps with milder Q-H curve is more suitable for velocity-adjusting .

利用PIV流场测试技术，对低比速混流式模型水泵水轮机转轮在水轮机工况下进行了可视化研究。

In this paper , the PIV technology is used to study the flow field of hydraulic pump-turbine model runner in hydraulic turbine condition .

东风（4B）型机车高低温水泵惯性故障的原因分析及对策

Reason analysis and countermeasures for the common failures of high and low temperature water pump for DF_ ( 4B ) locomotive

本文介绍了空间电压矢量脉宽调制（SVPWM）的基本原理，并应用此原理进行了交流光伏水泵系统的设计。

This paper introduces the basic theory of space-vector PWM ( SVPWM ), and designs the AC photovoltaic water pump system on the basics of this theory .

针对一次未成功给水泵RB试验，分析与给水泵RB功能相关因素并探讨确保给水泵RB功能成功的方法。对于一些蓄热较大的锅炉实现给水泵RB功能有参考价值。

In view of an unsuccessful feedwater pump RB test , the related factors are analyzed and the method to realize feedwater pump RB function is put forward .

125MW发电机组凝结水泵变频调速系统

Variable Frequency Speed-governing System for Condensate Pump in 125 MW Generating Set

用数学模型对管网管径进行了优化，并用Matlab语言对水泵性能曲线进行了拟合，用C语言对管网管径优化写出了通用程序。

Using the mathematical model has carried on the optimization with the pipe network diameter , and has carried on the fitting with the Matlab language to the water pump performance curve , has made up the general procedure with the C language of the pipe network diameter optimization .

其控制装置PLC根据供水压力上下限信号的变化自动控制水泵的组合供水，使供水压力始终保持在上下限之间。

According to the change of the up limit pressure and the down limit pressure of water , the PLC automatically control the pumps to realize combinatory water supply , so that the pressure of water can be always kept between the up limit and the down limit .

广蓄电站二期工程共安装四台单机容量为300MW的混流式水泵&水轮发电机组，其水轮机和发电机设备分别由德国伏依特（VOITH）公司和西门子公司制造。

The Second stage Guangzhou Pumped-storage Power Station accommodates four 300 MW mixed flow pump-turbine generator units manufactured by VOITH and Siemens in Germany respectively .