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。
2
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。
3
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.