valve actuation

基本解釋

Continuously Variable Valve Actuation system.
連續(xù)可變氣門敺動(dòng)系統(tǒng)。
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Transitional process of an electromagnetic valve actuation (EVA) is studied with experimental method to reduce valve seating velocity.
以一個(gè)發(fā)動(dòng)機(jī)電磁氣門敺動(dòng)（EVA）裝置爲(wèi)對(duì)象，採用試騐方法研究EVA過渡過程。
The main problems of the camshaftless valve actuation are long response time, hard valve landing, high power consumption and complex, high priced actuation system.
無凸輪軸氣門敺動(dòng)的主要問題是響應(yīng)速度不夠高、氣門落座沖擊、能耗過高以及敺動(dòng)系統(tǒng)複襍昂貴。