“engine variable valve timing control”的概念、定义、翻译、参考文献-科学参考

单词	engine variable valve timing control
释义	engine variable valve timing control Encyclopedia 工学发动机电子控制系统释 engine variable valve timing control发动机可变气门正时控制通过机械、电磁或液压控制等方式，改变发动机气门开始开启和关闭时刻的气门正时，从而改善燃烧过程，尽量减少耗油量和废气排放，从而提高发动机的综合性能的技术。
随便看	vertical non-staggering grid vertical ozone profile vertical packaging equipment for payload/fairing vertical parallax screw verticalparallax，y-parallax vertical pendulum vertical perspective projection vertical phase contrast illuminator vertical photography vertical plane vertical position vertical press filter vertical product differentiation vertical profile observing vertical projection vertical projection plane vertical protection vertical public opinion confrontation vertical refraction coefficient vertical refraction error vertical relative aperture vertical resonance vertical restraint vertical retort process for smelting magnesium vertical revolving circle

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