“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	saturate saturated saturated absorption saturated absorption line saturated absorption spectroscopy saturated adiabatic saturated adiabatic lapse rate saturated adsorption capacity saturated algebra saturated basin saturated boiling saturated brine flotation method saturated calomel electrode saturated chain saturated class saturated color saturated control saturated design saturated enlargement saturated fatty acid saturated fatty acid poisoning saturated fatty acids saturated filtred group Saturated flow boiling saturated flux density

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