back pressure

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.

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

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.