back pressure
英 [bæk ˈpreʃə(r)]
美 [bæk ˈpreʃər]
背压；反压；前级（出口）压强
双语例句
- Working pressure is the hydraulic pressure control valve before the working hydraulic control valve back pressure minus the difference.
工作压差是指水力控制阀前的工作压力减去水力控制阀出口背压的差值。 - Shaft seal is adapted, which can bear higher back pressure.
采用进口轴密封，能承受高背压。 - 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 - Upgrading of the Air Extraction System of Double Back Pressure Condenser and Benefits Analysis
双背压凝汽器抽空气系统的改造及效益分析 - The Effect of Disc Abrasion on Pulp Refining This back pressure is no problem for the rupture disk.
磨片磨损对打浆生产使用效果的影响如果压力放散系统的压力进入到爆破片中，对爆破片不会产生影响。 - Influence of Back Pressure on the Inner Flow Field in Scramjet Isolator
反压对超燃冲压发动机隔离段内流场的影响 - So the equivalent enthalpy drop method is suggested to calculate the change of electric power with back pressure changing in engineering.
因此，建议工程上可以采用等效热降法计算背压变化时汽轮发电机组电功率的变化量。 - There isn ta uniform method of calculating the affection of back pressure to electric power of steam turbine at present.
目前，确定背压变化对汽轮发电机组电功率的影响尚没有一种统一的计算方法。 - 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。 - At present heat rate calculate of the double back pressure turbine is according to single back pressure turbine, which brings deviation of heat rate calculate.
目前双背压汽轮机是按单背压汽轮机来进行热耗率计算的，由此带来热耗率计算的偏差。 - 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。 - The reason a steady state was never reached was that the back pressure built up too slowly.
不能达到稳定状态的理由是背部压力上升太慢。 - Based on the experiment, we describe the multilevel pipe pressure loading method that can simulate the high back pressure of pump and has low noise property.
在试验研究的基础上，论述了多级节流增压模拟水泵实际运行背压的低噪声特性。 - 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 relation between mixer back pressure and minimum fan pressure was developed, which could used to select the fan when design a premixed burner.
提出了混合器出口背压与所需风机的最小压头之间的关系式可以用于预混燃烧器风机的选取； - The back pressure and the rotational speed have great influence on the performance of the three dimensional flow-path.
转速和背压对三维进气流道的性能有较大影响。 - According to flow in a different, balanced spool valve the pressure can be pre-pressure, can also be a back pressure valve.
根据流向不同，平衡阀芯所受的压力可以是阀前压力，也可以是阀后压力。 - Eventually we will have lowered the back pressure enough so that it is now equal to the pressure at the nozzle exit.
最终我们将有降低回压足以使现在是相等的压力，在喷嘴出口。 - Increasing back pressure due to external factors has great impact on the structure and intensity of shock waves, and so affects the induced separation of boundary layers.
外界存在多种因素引起隔离段反压增加，将直接影响到进气道内波系的结构和强度，进而影响到因激波诱导而分离的边界层情况。 - This paper presents the design and working principle of reflective and back pressure pneumatic sensor.
介绍了气动测量中常用反射式和背压式气动传感器的设计与工作原理。 - This article introduces the function and application of hydraulic-controlled back pressure butterfly-shaped valves, and takes an analysis and detection on hydraulic pressure system.
介绍了液控单向蝶阀的作用和应用，并对液压系统的运行进行了分析和检测。 - An inert pad and purge system normally has a supply regulator and a back pressure regulator to maintain interior tank pressure within a narrow range.
一个惰性气封和吹扫系统通常包括一个进气调节器和一个排放压力调节器，可在小范围内维持储罐压力。 - About which designs for the force thick plate levels off the back pressure hoop group specially, May achieve the guarantee the stress relieving effect.
特别为强力厚板而设计的上下整平背压滚轮组，可达到保证的应力消除效果。 - The most important complication of urinary tract obstruction is renal parenchymal atrophy as a result of back pressure.
尿路梗阻最重要的并发症为反压所致的肾实质萎缩。 - 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。 - Study on back pressure and self-starting characteristics for sidewall-compression inlet with variable internal contraction ratio by moving cowl
移动唇口变收缩比侧压式进气道反压特性和自起动性能 - 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。 - High accuracy back pressure three-roller type laminating device and recycle oil heat device is used in the laminating roller.
高精度被压三辊式复合装置，使用热循环控温装置。 - Resistance created by the sound slows down the breathing rate and creates a back pressure that helps keep the airways open.
由声响导致的阻力降低了呼吸频率，产生一种反向压力使得气道通畅。 - Development of a Spray Experiment Constant Volume Bomb with Wide Visualization and High Back Pressure and its Control System
高背压大可视化场的喷雾试验定容弹及其控制系统开发