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- Sample Metering Pump Lost Steps. 样本采样泵失步,仪器无法工作。
- 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。
- A metering pump regulates the amount of lead to the pour lead with no excess lead return to the pot. 计量泵控制着输给浇注头的铅量，没有过量的铅返回铅锅。
- Both ways for improving mounting accuracy of metering pump for chemical fibre filature machine are introduced. 主要介绍了两种提高化纤纺丝机计量泵安装精度的方法。
- By hydraulic diaphragm metering pump of the reverse end of the dismounting order motive seat installed in the mass. 按隔膜式计量泵液力端拆卸顺序的逆序装在传动机座上。
- Contolled by microcomputer , displayed by LED , stepless variable speed . 采用微电脑控制，LED显示，无级调速。
- Filling the Chinese galls in copper container, extract tannic acid by water with pressurized metering pump. 将五倍子装于铜制耐压容器中,以加压计量泵用水循环提取其中的单宁。
- Adopt multi-function digital frequency inverter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- 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。
- Under more than half-a-century practical application and technical improvements,Now metering pump have entered arapid growing period. 经过超过半个世纪的实践应用和技术改进，现在计量泵已经进入其高速增长期。
- The operational principle of some metering units, such as leadscrew nut mechanism, pendulum bar type metering unit, metering pump, are introduced. 介绍了丝杠螺母机构、摆杆式计量装置、计量泵装置等计量装置的工作原理。
- New film drive variable frequency metering pump 新型膜驱动变频计量泵的研制
- 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。
