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1、

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。

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2、

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。

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3、

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

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4、

Membrane Valve Back Pressure Regulator Injection System for Gas Chromatography

气相色谱背压稳压阀升压进样

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5、

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

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6、

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。

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7、

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

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8、

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.

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9、

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.

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10、

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。

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11、

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.

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12、

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.

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13、

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.

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14、

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).

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15、

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

背压对安全阀性能的影响

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16、

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.

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17、

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.

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18、

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.

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19、

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

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20、

Technological transformation and application of back pressure valve in deep well

深井回压阀的技术改造及应用

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21、

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

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22、

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

采用进口轴密封，能承受高背压。

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23、

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.

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24、

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。

《柯林斯高阶英汉双解学习词典》

25、

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.

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26、

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.

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27、

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.

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28、

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.

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29、

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.

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30、

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

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