“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	Nan Yin classical music in Guangdong province Nan Yin Classical Music Society in Taiwan nanyin xiao Nan You Jiayu Nan Yuan Nanyue Film Company Nanyue Kingdom Nanyue King’s Tomb Nanyue King’s Tomb Multiple-level Jade Belt Hook Nanyue Qu Nanyue Temple Nanyuwei Dao Nanzhai Nanzhang Xian Nanzhao (kingdom) Nanzhao Kingdom Nanzhao Music and Dance Presented to Tang Emperor Nanzhao Xian Nanzheng Nanzheng Qu Nan Zhenzhong Nan Zhibiao Nanzhong Nan’ao Dao NAO

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