The key to design an auxiliary impeller seal is to determine the opposite pressure coefficient k.
反压系数的确定是设计副叶轮密封的关键。
Flexible impeller pump viscous fluid conveying the key lies in direct proportion to flow rate and pump speed.
挠性叶轮泵输送粘性流体的关键之处在于流速和水泵转速成正比。
The electric discharging machining(EDM) is one of the main methods to process the Integral Impeller, in which the fabrication of the tool electrodes in EDM is the very key.
电火花加工是整体叶轮的主要加工工艺方法之一，其中工具电极的制造是关键。
In this paper, the introduced mapping technology for narrow 3-d impeller of centrifugal compressors has been in further researched and some key points have been discussed.
对引进的离心压缩机窄三元叶轮的测绘技术进行了研究；对技术关键点作了探讨，重点介绍了石膏、石蜡灌模及其处理工艺措施。
Pump the basic structure of the six components were:impeller, volute, shaft, bearings, seal ring, filler letter. Among them, and the impeller shaft design is the key.
离心泵的基本构造是由六部分组成的分别是：叶轮，泵体、泵轴、轴承、密封环、填料密封。其中，叶轮和泵轴是设计重点。
The design of the ball blast house and the choice of impeller head is the key introduced.
着重介绍了抛丸室的设计、抛丸器的选型和布置。
The design of the ball blast house and the choice of impeller head is the key introduced.
着重介绍了抛丸室的设计、抛丸器的选型和布置。
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