油管

Infact, these problems are greatly related with the viscoelastic property of the producedfluid, and the sucker rod is often working in a condition of eccentric in the tube, whicheven aggravates the problems mentioned above.

这些问题的产生与产出液的粘弹性特征不无关系，而抽油杆在油管中又往往处于偏心的位置工作，这更加重了以上问题的产生。

The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one-piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump.

针对这种情况，大港油田新世纪机械制造有限公司研制成功一种新型无油管采油装置，这种装置以空心抽油杆代替实心抽油杆带泵工作并兼作出油流道，还通过一种新型悬挂器将整筒抽油泵固定在套管壁上，提高了抽油泵的工作稳定性。

This article analyzes systematically the work process of fuel injection system in detail. It analyzes the fault fundamentals and its influence of three coupling parts in the high pressure oil road and the injection process, three coupling parts include plunger coupling parts, delivery valve coupling parts and needle valve coupling parts. It discusses the pulse situation of fuel pressure under the every kind of typical fault model, and regarding this as according to pick up the pulse signal of pressure from the high pressure pipeline, and process wavelet decomposition, picks up the of parameter fault, make use of the model identification technique, realizes to the intelligent diagnosis of fuel injection system fault.

文中系统地分析了燃油系统的工作过程，对高压油路中三偶件(柱塞偶件、出油阀偶件、针阀偶件)、喷油过程等的故障机理及其影响进行了分析，讨论了各种典型故障状态下的燃油压力波动情况，并以此为根据，从高压油管处提取压力波动信号，提取故障参数，利用模式识别技术，实现了对燃油系统故障的智能化诊断。

This article describes a one-way valve fuel control valve body design and plastic mold design process.

本文说明了加油管单向阀阀体设计及塑料模具设计的全过程。

Together with pre-cooling of the melt prior to entering the vacuum tank,have been used successfully to

进入真空罐之前，修改真空定径测量系统，已成功地用于定径油管。

Zhang Q. Study on rule of CO2/H2S corrosion of tubular goods.

张清。 CO2/H2S共存条件下的油管钢腐蚀规律研究。

Its function is to connect the oil supply system and the emergency trip system with actuator, and form into a circuit.

油管连接供油系统、危急遮断系统与执行机构，并使之构成回路系统。

This test by the Chinese-owned scientific research institutions, quasi-measurement, and at the American Petroleum Institute Registration of all types of drilling tool joints, casing and tubing thread gauge proofing, certificate complete, the Register has been proofing regulations in Beijing and API record with the calibration of the workload of regulatory capacity and qualification.

本测试所拥有经中国计量科学研究院校准、并在美国石油学会注册的各类钻具接头、套管和油管螺纹校对量规，证书齐全，其校对规注册号已在北京和API备案，具备了校准工作量规的能力和资质。

These stops are made from short pieces of the thin-walled inch tubing.

这些站是由短期件的薄壁件英寸的油管。

Rotary tube piercing is a hot-working process for making long, thick-walled seamless pipe and tubing Fig.

旋转穿孔是为了得到长的厚壁无缝钢管和油管的热加工工程。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。