查询词典 pump rod

In chapter 4, A precious nonlinear methematic model about the servo mechanism of dynamic test equipment for rod pump is studied.

第四章提出了有杆泵动态测试装置液压伺服机系统的详细数学模型及其简化数学模型。

Along with the using of many items of new materials and the new processing technology as well as the application technology progress, the screw rod pump production technology obtained the unceasing improvement and the very big promotion.

随着多项新材料和新工艺技术的采用以及应用技术的发展进步，螺杆泵采油技术得到了不断的完善和很大的提升。

The basic principle of optimum structural design of special sucker rod pump was put forward according to real oil well conditions.

提出了根据井况进行杆式抽油泵结构优化设计的一般原则，并在常规杆式抽油泵的基础上，进行了结构优化设计，形成了系列特种杆式抽油泵，提高了杆式抽油泵密封锚定的可靠性，以适应含气、砂等井况。

Concept of leakage coefficient of rod pump and amendment of its calculating method

性质：为修饰改善原料皮及加工中造成的粒面缺陷，通过磨革磨去革面较浅的伤残，经涂饰和压成假粒面，建立一个新的表面，经这样修饰的面革称为修正面革。

We can say that the screw rod pump of oil production technology has already taken on an entirely new look.

可以说螺杆泵采油技术已经面目一新。

Expert system ; neural networks ; sucker rod pump ; downhole status diagnosis

专家系统；神经网络；有杆泵；井下诊断

Finite difference method for solving mathematical models, and through examples of well calculated and analyzed for heavy oil well electric heating rod pump production program designed to provide scientific basis.

有限差分法求解数学模型，并通过实例井计算分析，为稠油有杆泵电加热井生产方案设计提供科学依据。

The system efficiency of sucker rod pump well in Tahe oil recovery No1 distriction mentioned in this paper has been up to 16.42%.

本文研究的塔河采油一区有杆泵井系统效率平均为16.42%。

Make use of Visual Basic6.0 to program the software of reliability digital simulation about rod pump system, make the problem about reliability analysis to change simple and easy.

利用Visual Basic6.0编制了有杆泵抽油系统可靠性数字仿真软件，使可靠性分析的问题变得简单易行。

Domestic and international application most extensive take out oil equipment is the type pumping unit of walking beam - the installation of oil well pump, or is called as have rod oil equipment.

国内外应用最广泛的抽油设备是游梁式抽油机-抽油泵装置，或称作有杆抽油设备。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。