Three types of backpressure valves are diaphragm, spring and weighted lever.
有三种类型的回压阀，即隔膜式、弹簧式和负荷杆式。
The vane slot backpressure has great influence on vane behavior and compressor performance.
旋叶式压缩机的背压对滑片的运动及压缩机的性能有很大的影响。
The flow pressure drop through the trap indicates an increase of backpressure of the exhaust system.
捕集器压力损失标志了捕集器纤维对流体流动的阻碍的程度，它导致柴油机排气背压上升。
This test pressure includes corrections for service conditions e. g. backpressure or high temperatures.
此试验压力包括工作条件如：背压和高温的校正值。
If you need to raise backpressure, the preferred solution is to add more screens and increase screw speed.
如果你需要升高背压，较好的方案是添加更多的滤网并增加螺杆速度。
The work principle and structures of backpressure piston rings and integral non-backpressure piston rings were expounded.
分别对开口有背压活塞环和整体无背压活塞环的工作原理和结构作了阐述。
The design of integral non-backpressure piston rings was studied in order to reduce wear and to raise the piston ring life.
为了减少磨损，提高活塞环的使用寿命，对整体无背压活塞环的设计进行了研究。
High delivery lift and high backpressure required in fuel throttle valve test were obtained through higher rotation speed of the main pump.
利用长征系列发动机主泵作为动力源，提高其转速，解决了燃料节流阀试验要求的高扬程、高背压等技术难题。
It can also be used as a second stage separator and hold a constant backpressure by using its automatic pressure control valve on the gas outlet.
也可用于二级分离器，采用出气口的自动调压阀保持稳定的背压。
Owing to spatial confined, the paper enumerates air supply pressure and backpressure which influence the working parameter of the DTH hammer only.
由于文章篇幅的限制，仅列出了气源压力、背压对空气锤工作参数的影响规律。
Bucket blasting, which is based on the principle of touch blasting and takes water as a backpressure medium, is a controlled blasting method for thin plate structures.
水桶爆破法是根据接触爆炸的作用原理，利用水作为背压介质，对薄型结构进行控制爆破的一种方法。
With the advantages of facile preparation, fast mass transfer, low backpressure and easy modification, monolithic materials have been widely used in proteomic analysis.
整体材料具有制备简单、传质速度快、色谱柱反压低、表面易修饰等优点，因此已被广泛用于蛋白质组学研究中。
The major factors effecting on the backpressure include atmospheric environment temperature, primary temperature difference of air-cooling, end difference of condensers.
影响其背压的主要因素有：大气环境温度、空冷初始温差、凝汽器的端差。
A finite element model for the fracture splitting of Jetta car conrod big end was established to analyze the influence of the backpressure on fracture splitting quality.
建立了捷达轿车连杆裂解加工的有限元模型，分析了背压力对连杆裂解加工质量的影响规律。
Taking the entropy generation number of a multi-backpressure condenser as the target function, the optimum structure of a multi-backpressure condenser has been obtained.
以多背压凝汽器的熵产生数为目标函数，得出了多背压凝汽器的最优结构。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
This is made possible by the variable intake system with a throttle valve enlarged from 76 to 82 millimeters, the optimized cylinder heads and an exhaust system with low backpressure.
这是可能的变量与节流阀进气系统增加到76到82毫米、优化缸盖和排气系统压力较低。
Several methods for regeneration control of diesel particulate trap are analyzed in this paper. Based on the analysis, the backpressure control method is selected for experimental study.
对柴油车微粒捕捉器的各种再生控制方法进行了比较分析，并对背压控制方法进行了试验研究。
Several methods for regeneration control of diesel particulate trap are analyzed in this paper. Based on the analysis, the backpressure control method is selected for experimental study.
对柴油车微粒捕捉器的各种再生控制方法进行了比较分析，并对背压控制方法进行了试验研究。
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