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- The result shows the new variable speed pump electric-hydraulic servo control system can run in four quadrant, meet the need of low cycle material test, realize energy conservation significantly. 结果表明，新设计的变转速泵控电液伺服控制系统可以实现四象限运行，满足材料的低周疲劳试验要求，同时可以实现显著的节能效果。
- Company products are: Hydraulic Parts Loader, CBG two series, CBG three series gear pump, ZL series variable speed pumps, variable speed control valve, the flow valve, and so dozens of amplification. 企业主要生产的产品有：装载机液压件、CBG二系列、CBG三系列齿轮泵、ZL系列变速泵、变速操纵阀、流量放大阀等几十种。
- Variable Speed Pump and Performance Analysis of Process Chart of System 变频调速水泵及其系统运行过程线的分析
- variable speed pump 变速泵
- The drill has variable speed control. 这钻机有变速控制。
- The papers study the technology of variable speed drive in electric submergible pump. 本文主要论述了潜油电泵系统变频调速的应用技术。
- From those studies, we may know the variable speed drive in electric submergible pump is feasible and may run reliably. 根据以上的研究可知，潜油电泵系统采用变频调速是可行的，并且能可靠地运行。
- Accelerator Non-contact continuously variable speed system. 无极变速系统。
- Independent variable speed drives on telescoping section. 套车部件的自变数速度驱动器。
- Variable speed is almost essential if drilling is to be accurate. 如果钻孔要精确，则可变速度是必不可少的。
- The papers simple discribe the basic structure of the variable speed drive system in electric submergible pump> principle of PWM inverter and the basic structure of IGBT. 对潜油电泵变频调速系统的基本结构、PWM逆变器原理以及IGBT的基本结构进行了简单介绍。
- This papers mainly study the influence of variable speed drive to the electric submergible pump system, for instance, long motor leads effect and common-mode voltage. 本文主要是分析了变频器对潜油电泵系统的影响，特别是长线传输问题及共模电压问题。
- Contolled by microcomputer , displayed by LED , stepless variable speed . 采用微电脑控制，LED显示，无级调速。
- Adopt multi-function digital frequency inverter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- This digital tyre inflator has a specially designed high speed pump which inflates all tyres to the correct pressure automatically. 在充气泵工作的过程中实时检测轮胎的气压，并以相应的数值、单位显示出来。
- Variable Speed Buffing Wheel: Another luxury for the serious clayer. 多速打磨轮：软陶爱好者的另一样奢侈品。
- Coarse material is conveyed by a stream of air to variable speed whizzer-separator. 粗料由空气流输送到变速风力选粉机那里。
- TANG Li-hua,DING Kun.Several problems in collocating an adjustable speed pump setup[J].Journal of Anhui Institute of Architecture(Natural Science), 1996,4(1):5-8. [5]汤利华;丁琨.;水泵调速机组配置中若干问题的研究[J]
- Tongue shaped design vibrator. It comes with a powerful micro motor with variable speed control. 小圆点设计震动舌头：配备超静音微型强劲马达之无段变速按摩器。
- Using importation system of infinitely variable speed,can adjust productional speed. 采用进口无级变速系统，可调节生产速度。
