主要用途：超高速开关应用。
关于高速开关阀系统的研究进入80年代后受到人们的重视。
The study about the system with fast on-off valves is paid attention to from the 80's.
研究了一种利用高速开关阀对节气门进行电子控制的系统方案。
This paper develops the control system of electronically controlled throttle with high speed on off valve.
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