常見例句雙語例句Continuously Variable Valve Actuation system.連續(xù)可變氣門驅動系統(tǒng)。www.tech-domain.comTransitional process of an electromagnetic valve actuation (EVA) is studied with experimental method to reduce valve seating velocity.以一個發(fā)動機電磁氣門驅動(EVA)裝置為對象,采用試驗方法研究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.無凸輪軸氣門驅動的主要問題是響應速度不夠高、氣門落座沖擊、能耗過高以及驅動系統(tǒng)復雜昂貴。 返回 valve actuation