“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	random sum random surface random tableau Random Talk on Calligraphy and Painting Random Talks in the Tree Shade random telegraph signal random tensor field random test random test generation Random Thoughts random time random time change random tournament random trajectory random tree random trial random truncated test random variable random variate random variation random vector random velocity random vibration random vibration of structures random von Koch curve

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