油管

Excessive formation back pressure may be due to limited or plugged perforations; subsurface or surface chokes; undersized gas-oil separator, flowlines, tubing, or casing; or excessive back pressure on flowline, casinghead gas gathering system, or gasoil separator.

183u 译文：过高的地层回压也许是由于有限的或堵塞的射孔孔眼；井下或地面油嘴；尺寸不足的气液分离器，流动管线，油管或套管；流动管线，套管头气体集输管线或气，油分离器上过高的回压。

In order to enhance continuous-running efficiency,a special centralizer was developed and eliminated the tie back sting,and one trip was needed for the performance of sand washing by slim pipe.

为提高作业时效，成功研发了一种新型套管丢手内专用冲砂扶正工具，其省略了回接管柱，直接在大套管内下入小油管就可准确进入丢手内冲砂。

The system of fueling pipeline ,in particular, the branch form pipeline system with pump deliver,one side, the form of pipeline is multiplicity,on the other hand, the working state is changefully,so,the working state of the system must be adjusted and controled, the paper contraposes the system, investigating the method of adjusting and control,introducing several pressuered-control valv

注油管路系统，特别是多分支的泵送管路系统，一方面管路结构形式多样，另一方面工作状态多变，因此，在系统工作中均需对工况进行调节与控制。

Tubing is 316 stainless steel with hard chrome plated inside diameter for long service.

油管是316不锈钢镀硬铬长期服务内径。

After drilling a hole for the brass tubing and another hole for the clevis, I mounted and soldered both horns in place.

后钻孔为黄铜油管和另一孔为clevis ，我安装和焊接都犀角，在地方。

The rod will extend up into the center fin through a 5/32 piece of brass tubing to accommodate the control linkage clevis assembly.

棒将延长为中心的鱼翅，通过5 / 32 一块黄铜油管，以容纳联动控制clevis大会。

The rod will extend down into the hull, through a 5/32 piece of brass tubing, to accommodate the control linkage clevis assembly.

棒将延长进入船体，通过5 / 32 一块黄铜油管，以容纳联动控制clevis大会。

With the raise of a calculation method on dynamic friction coefficient of downhole tubing, the calculating accuracy of vertical conduit flow pressure is strengthened for a gas well, which promotes the dynamic analysis and prediction on gas well production.

气井井下油管动态摩阻系数计算方法的提出，提高了气井垂管流动压力计算的精度，对气井生产动态分析和预测起到了很好的推动作用。

Fruit vittae 1 in each furrow, 2 on commissure.

果油管每棱槽1，在合生面上2。

Fruit vittae 3–5 in each furrow, 6 on commissure.

果油管3-5在每棱槽，6在合生面上。

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。