back pressure

Casing back pressure valve plays a important role in well cementing operation as a casing accessories.

套管回压阀作为一种简便的套管附件,在固井施工作业中起着重要作用.

This blocking may Shek back pressure to skyscrapers, high-aggressive as It'should collapse.

这堵石壁似摩天大厦仰面压来, 高得像就要坍塌下来咄咄逼人.

Seating load and tightness is dependent on back pressure.

阀座密封负载和紧密性与反压力相关.

Application of back pressure steam turbine drive water pump in thermal plant

背压式汽轮机驱动给水泵在热电厂的应用

The global currency war is still going strong after the weekend IMF meeting ended in stalemate, with China pushing back hard against US pressure to appreciate more rapidly.

上周末的国际货币基金组织（IMF）会议之后，全球汇率战争仍进行得如火如荼。此次IMF会议以僵局收场，中国奋力顶住了美国要求人民币加速升值的压力。

Back pressure is higher than 85 % are production process heating equipment, one of the best trap.

背压率大于85%,是生产工艺加热设备最理想的疏水阀之一.

Diplegs play an important role as pressure seals against the considerable back pressure generated.

料腿则起着对产生的相当大的背压加压密封作用.

Technological transformation and application of back pressure valve in deep well

深井回压阀的技术改造及应用

It is discovered that vane slot back pressure has great influence on vane behavior.

研究发现,滑片背部的滑槽背压对滑片的行为有重要的影响.

You need someone to take the pressure off and help you get back on your feet.

你需要有人为你分担压力，帮你恢复元气。

Experimental study of static characteristics of back pressure pneumatic sensor

实验研究背压式气动传感器的静特性

This means that on exhaust stroke, the engine has to push against a higher back-pressure.

这就使引擎在排气冲程时, 会遇到很高的负压(排气不畅).

Shaft seal is adapted, which can bear higher back pressure.

采用进口轴密封，能承受高背压。

Several different types of valves are in use. Some are back pressure valves.

有几种不同的阀在使用中, 有些是反向压力阀.

With a back pressure condition created , ball check seats firmly against ball check seat.

如果出现反压力状态, 球型止回阀阀座就牢固地密封在球型止回阀阀座上.

Distribution characteristics of soil back pressure in round working well

圆形工作井的土反力分布特征研究

Back-pressure protection is needed to prevent damage to the regulator.

需要回压保护,以防止损坏调整器.

The relation curves of water phase permeability of reservoir cores and back-pressure were obtained.

得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线.

It is obvious that the gas turning back phenomenon occurs in variable pressure gas exhaust system. The resistance coefficients of two types of check valves ( B and C) are experimentally measured.

通过实验测定了B型和C型两种止回阀的自身阻力系数和系统气流合流阻力系数，并对两种止回阀所对应的系统排风量进行了实测。

Model and Fatigue Analysis for Back Pressure Piston Base on Finite Element Technology

基于有限元技术的背压活塞的模态分析与疲劳寿命计算

The application of back pressure vapor of steam turbine in recovery of chemical products is introduced.

介绍承德焦化煤气股份有限公司,把汽轮机背压汽用于化产回收的使用情况.

Seating load and resultant tightness is dependent upon back pressure.

阀座密封负载和组合的紧密性是与返回压力密切相关.

The application of high back pressure turbine combined thermal equivalent in thermal power plant

高背压热功联产汽轮机在热电厂的应用

The finite element analysis results show that back pressure has effect on the extrusion result.

并在此基础上分析反压大小和反压模具结构对挤压变形效果的影响.

The effect of which back pressure to the performance of safety valve

背压对安全阀性能的影响

You need someone to take the pressure off and help you get back on your feet

你需要有人为你分担压力，帮你恢复元气。

Surface conductivity is usually independent of back pressure and screw speed.

表面导电性通常不受背压和螺杆转速影响.

Effect of back pressure on equal channel angular extrusion process of powder porous material

反压对粉末多孔材料等通道转角挤压过程的影响

Membrane Valve Back Pressure Regulator Injection System for Gas Chromatography

气相色谱背压稳压阀升压进样

I was lying on my back when I felt a great pressure on my body and I found myself unable to move.

我躺在床上，突然感觉身上有什么重物压着，压得我都无法动弹。