型螺旋泵是一款重型气动泵。
The type m Fuller-Kinyon pumps are heavy-duty, screw-type pneumatic pumps.
结果表明：迷宫螺旋泵扬程系数最大值随流量的增大而减小；
The analysis results show that the maximal value of the pump head coefficient declines when the flow rate increases;
本实用新型涉及一种单端多级迷宫螺旋泵，属于通用工程设备技术领域。
The utility model relates to a single end multistage labyrinth screw pump, belonging to the technical field of universal engineering equipment.
以某污水处理厂的工程为例，对污水泵站的螺旋泵的控制进行电气设计和程序编制。
Taking some sewage treatment plants project as an example, carrying on the electrical design and the programming to screw pumps control in sewage pump station.
螺旋转子制造技术是各种螺旋杆机械如螺旋杆钻具、螺旋泵等设备制造中的一项关键技术。
The technology of manufacture about helical rotor is vital to the manufacture of various helical poles, such as helic-borer and helic-pump.
螺旋泵可用来输送高粘性液体，该过程中由于液体的温度升高而粘度降低，因而其粘性耗散不能忽略。
Screw pumps can be used to highly viscous liquid. Viscous dissipation cannot be neglected during such pumping because it causes the temperature of liquid to rise and its viscosity to decrease.
螺旋离心泵作为一种新型杂质泵，将螺旋泵与离心泵融合为一体，其独特的结构可将两者的优势充分发挥。
As a new kind of impurity pump, screw centrifugal pump combines the advantages of screw pump and centrifugal pump, and the special structure can bring into play their advantages sufficiently.
螺旋离心泵是将螺旋泵与离心泵融合为一体的一种新型杂质泵，其独特的结构可以将两者的优势充分发挥。
Screw-centrifugal pump is a kind of new type liquid-solids handing pump whose unique impeller structure combines both the advantages of screw pump and centrifugal pump.
今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。
The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.
轴承有一个螺旋槽在认为泵流体从一个水库。
The bearing has a spiral groove in it that pumps fluid from a reservoir.
以135型三螺杆泵为例，对螺杆几何参数设计、螺旋型面的形成、螺杆啮合特性进行了探讨。
By taking 135 three-screw pump as an example, the geometric parameter design, the forming of spiral surface and the characteristic of screw gearing are investigated.
泵必须是低剪切力的阿基米德螺旋式泵。
洗煤泥炉前给料系统目前国内主要有两种形式：一种是采用皮带输送和螺旋给料的传统机械方式，一种是泵送系统。
At present, there are two kinds of front coal feeding system - the one is conveyer belt and traditional mechanical screw conveyer, the other is pump-conveying system.
南桠河和耿达水电站机组主轴密封改造为螺旋动力泵式主轴密封后，解决了多年存在的运行缺陷。
After unit shaft sealing was reformed into spiral dynamic pump sealing in Nanyaheand Gengda hydropower stations, operation defect which existed for many years is disappeared.
求出了螺旋磁场泵自由电子激光器中含电子相互作用的增益表达式，并进行了讨论。
The effect of electron interaction on gain of a free-electron laser pumped with a helical magnetic field is formulated.
采用边界元法对螺旋离心泵叶轮中的三维势流进行了数值计算。
The three-dimensional potential flow inside the impeller of a screw centrifugal pump was analysed by the boundary element method.
多相混输技术是当今油气输送技术的发展趋势，而螺旋轴流式多相泵应用于油气水多相混输具有良好的性能。
Because of superior performance of helical axial-flow multiphase pump, multiphase boost technology has taken the developing position for liquid-gas boosting technology recently.
在离心泵上采用了上述优化设计参数的螺旋密封，并经生产应用。
Based on the optimal results of seal's structural parameters, a helical axial seal is used in the centrifugal pump.
所作研究对于锥形螺旋叶轮血泵叶轮和流道的优化设计具有指导意义。
The investigation has important significance to the optimization of the conical spiral impeller and the flow channel.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量，减少噪音、振动，避免气蚀等方面有较大改善。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
长螺旋钻孔管内泵压CFG桩成桩混合材料施工方法，具有施工噪音低，成桩速度快，工程造价较低等特点。
Long spiral hole pump pressure CFG (Cement Flyash Gravel) pile construction technology has such advantages as small noise, quick construction rate and low construction price.
在对螺旋密封式给水泵的密封原理作简要介绍的基础上，针对其因密封水压差小而导致频繁跳泵的问题进行了讨论。
This paper briefly introduces the sealing principle of the screw sealing feed water pump, and deals with its frequent trip problem arising from inadequate pressure difference of seal water.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
常见的共轭曲面包括齿轮的齿面、空间凸轮的工作面和螺旋面等，其中螺旋面被广泛应用于螺纹、蜗杆、螺杆泵及金属切削刀具等领域。
The common conjugate surface includes tooth surface of gear, working surface of solid CAM, helicoidal surfaces existing in spiral burr, worm, chip flute of cutters, and so on.
利用直齿齿轮泵的困油容积变化公式，求出了斜齿齿轮泵的困油容积变化公式，得到了斜齿齿轮泵不发生困油的螺旋角。
According to the volume oil formula of the straight gear pump, the volume oil formula of the helical gear pump is got and the helix Angle no trapping is found.
利用直齿齿轮泵的困油容积变化公式，求出了斜齿齿轮泵的困油容积变化公式，得到了斜齿齿轮泵不发生困油的螺旋角。
According to the volume oil formula of the straight gear pump, the volume oil formula of the helical gear pump is got and the helix Angle no trapping is found.
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