设计原理是减慢泵速、缩短冲程或改用小泵来降低排量，保持适当的沉没深度。
The design principle is to decrease the pump velocity, reduce stroke or to use a small pump to reduce the pump displacement and keep proper submersible depth.
利用这一特性，把两个万向节机构和圆柱齿轮机构组合形成了叶片差速泵的驱动系统。
By using the characteristics, the combination of two Hooke's joints with cylindrical gear mechanisms forms the driving system of a differential velocity vane pump.
本文着重讨论了制冷机负载特性的变化对现代低温泵的抽速、极限压强、抽气容量等抽气特性的影响。
This paper emphatically discussed about the effects of change of the refrigerator load on pumping speed, limiting pressure, pumping capability etc.
在恒速泵凝结水系统中，依靠节流调节维持除氧器和凝汽器水位存在种种缺陷。
In this paper, disadvantages of using throttle to adjust and maintain water levels of deaerator and condenser in constant speed pump condensate system were presented.
中性束注入系统要求有洁净的动态高真空环境，大抽速液氦冷凝泵是满足此要求的理想真空获得设备。
The Neutral Beam Injection (NBI) system requires a clean high vacuum environment. The liquid helium cryocondensation pump with high pumping speed is an ideal vacuum obtain device.
在真空系统的设计中，一般涉及到流态判别、流导、泵的抽速和系统的压力等参数。
In design of a vacuum system, generally it concerns distinguishing the regions of gas flow, the conductance of tube, the pumping speed and the pressure of system etc.
基于低比速离心泵is 50 - 32 - 160模型，对有、无分流叶片的设计方案全流场进行了数值模拟和对比分析。
Based on the low-specific speed centrifugal pump model of IS 50-32-160, two impellers are designed with and without splitter blades.
简要介绍低比速离心泵特点，阐述计算的控制方程和叶轮通道网格划分方法。
The characteristics of low specific speed centrifugal pump are introduced, and the grid generation method for impeller passageway and the governing equations of calculation are also expatiated.
深入探讨了轮速传感器、防抱死制动电子控制器、电磁阀、回液泵的结构组成与工作原理。
The construction and working principles of speed sensor, ABS ECU, electromagnetic valve and return liquid pump are analysized in detail.
泵系统的选择取决于所需要的抽速，能达到的极限压强(在适当的时间内)。
The choice of pumping system depends on required pumping speed, ultimate pressure attainable (in a reasonable time).
双速压力泵更有利于浴槽密闭循环使用。
Baths include a two-speed pump for closed loop applications.
汽车发动机用的化油器的组成通常包括燃油室、阻风门、怠速量孔、主量孔、空气节流喉管和加速泵。
Carburetors for automobile engines usually contained a storage chamber for liquid fuel, a choke, an idling jet, a main jet, an airflow restriction, and an accelerator pump.
最后针对此方案，对真空泵抽速进行了预测，这将对后续阶段真空泵的选型具有指导意义。
The pumping speed is predicted according to the vacuum-pumping program, and it is very instructive and meaningful for choosing the vacuum pump in the succeeding phase.
东江泵站结合扬程变化幅度大的特点，在技术改造中采用双速全调节叶片的大型轴流泵机组型式，取得了明显的节能效益。
In the technology reform of Dongjiang Pumping Station, a large scale axial -flow pump with double speed is used to fitting in with the nature of the pump head varying greatly.
观察全髋关节置换术后使用感应性抗血栓泵（SCD ）、速碧林预防深静脉血栓（DVT ）形成的效果。
Objective: to observe on the effect of applying SCD irritability anti-thrombus pump and Nadroparin Calcium Injection to prevent deep vein thrombus (DVT) in patients underwent total hip replacement.
目的探讨速尿微泵持续静脉内注射治疗急性肾功能衰竭少尿期的临床疗效。
Objective To evaluate the clinical effect of continuous infusion of furosemide by intravenous pump in the patients with acute renal failure (ARF) at the oliguric stage.
泵、风机类负载通常采用鼠笼式异步电动机拖动，恒速运行。
Pump, air pump and so on generally is pulling by squirrel - cage motor, moving in constant velocity.
通过对钻井过程中泵压、张力变化及机械钻速的分析，指出了超短半径侧钻水平井钻井技术存在的主要问题。
Based on the analysis of pump pressure, tension variation, and drilling speed, the existing problems of ultra-short radius side tracking horizontal well were presented.
该文介绍了油封机械泵的抽速与入口压力的关系、泵抽气效率下降的原因，指出泵入口管道的流导和油蒸汽逆流是造成泵抽速下降的主要原因。
Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down.
通过对低温泵的真空度及其抽速与液氦低温板温度的关系进行模拟，验证了真空系统设计的合理性。
By simulating the temperature of the cryopanel and the relation between the pressure and pumping gas speed of the cryopump, it was verified the vacuum system design was rational.
泵产生汽蚀时，应把流量调小或降速运行；
利用特性曲线对变速泵与定速泵并联运行工况进行了讨论，指出其正确切换步骤。
Running conditions of parallel-connected variable and constant speed pump are discussed using pump performance curve, and the correct switch steps are pointed out.
利用特性曲线对变速泵与定速泵并联运行工况进行了讨论，指出其正确切换步骤。
Running conditions of parallel-connected variable and constant speed pump are discussed using pump performance curve, and the correct switch steps are pointed out.
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