“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	compensation point compensation policies for ecological benefits of forests compensation policy compensation runoff regulation for reservoir group of hydropower station compensation strategy compensation structure compensation survey compensation system compensation system based on posts and ranks compensation system for ecological damage compensation system for ecological environmental pollution damage compensation system of ecological protection compensation theory compensation value method compensative compensator compensator level Compensatory balance Compensatory Consumption compensatory education compensatory growth compensatory model compensatory strategy of decision-making compensatory teaching compenzine

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