well pump

A new method for calculating plunger stroke loss of deep well pump

一种计算深井泵柱塞冲程的新方法

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

我们需要存下200英镑以备更换水泵阀。

By theoretical analysis and numerical analysis to two kinds of absorbing well system of absorbing well group and intensive absorbing well, intensive design idea of the new auxiliary shaft-420m pump room system design was determined.

通过对小井群和集约化吸水井两种泵房吸水井系统的理论分析与数值分析，确定了新副井-420m泵房吸水井系统的集约化设计指导思想。

The second injection pump drive and installation, the secord injector arrangement, the cylinder head and rocker arm support modifications are described in detail, as well as the installation of crankshaft rotation angle grating disc which is necessity for combustion research in cylinder pressure sensor.

详细论述了喷油泵的安装和驱动、喷油器的布置、气缸盖和摇臂座的改造以及气缸压力传感器、曲轴转角信号光栅盘轴的安装。

Therefore, the submersible pump is suitable for irrigation in rural well water.

因此, 潜水电泵很适合于农村井水灌溉.

The development and application of the closed negative pressure oil well pump

封闭式负压抽油泵的研制与应用

Application for Limited Test Technology in Pump Well

抽油井探边测试技术及应用

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

我们需要存下200英镑以备更换水泵阀。

At the farm there was an old-fashioned pump for drawing water from a well.

那个农场有一台老式的用来从井里抽水的抽水机.

The Optimum Design of Well Pump Test Board Controlled by Multiple Conduit Microcomputer

多管路微机控制井泵试验台的优化设计

Flow of polymer output liquid in crevice of oil well pump

聚合物产出液在抽油泵的缝隙中流动

The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.

标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。

We pump water from the well for daily use.

我们从井里抽水以供日用.

The relative error of computational head coefficient of the centrifugal pump compared with experiments is less than 6%, the distribution of the numerical head coefficient on blades agrees well that obtained by experiment;

计算的离心泵叶轮扬程系数与试验结果的相对误差小于6%，计算的叶片表面压力系数的分布与实验数据十分吻合；