由于变频器的使用，使泵转速下降，出口压力降低，减少了机械磨损，降低了维修工作量，延长了设备的使用寿命。
Because of the use of frequency converter, so that pump speed decreased, exports to reduce stress, a reduction of mechanical wear, reducing maintenance workload, extended equipment life.
泵工作时，应注意检查压力、温度和机械轴封的工作。
Pumps work, should pay attention to check the pressure, temperature and mechanical seals work.
水下舰艇武器推进泵的机械密封装置的工作压力波动、使用频率小，并要求可靠性高。
The mechanical seal utilized in submarine's weapon ejection pump works under fluctuant working pressure and is used in low frequency, and high reliability is indispensable.
螺杆泵是一种新型的输送液体的机械，具有结构简单、工作安全可靠，使用维修方便、出液连续均匀、压力稳定等优点。
Screw pump is a new type of liquid delivery of machinery, with a simple structure, safe and reliable use of easy maintenance, a continuous uniform fluid, pressure, stability and so on.
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.
介绍了聚醚醚酮复合材料的研制、性能及在压力容器、泵、压缩机、阀门等通用机械领域中的应用。
Research, performance and application in general machinery of PEEK composite material were introduced in this paper.
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.
揭示流量、压力等微机械泵性能参数与执行器输出以及负载之间的内在关系。
This model also presents the relation between these function parameters and the output of the actuator.
揭示流量、压力等微机械泵性能参数与执行器输出以及负载之间的内在关系。
This model also presents the relation between these function parameters and the output of the actuator.
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