“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	mental arithmetic Mental body movement method mental cervical adhesion mental count mental damage mental delusion mental deterioration mental development mental disorder mental disorder caused by brain abscesses mental disorder related legal issues mental disorders due to adrenal dysfunction mental disorders due to alcohol Mental disorders due to brain damage mental disorders due to brain tumor mental disorders due to cannabis mental disorders due to circulatory system diseases mental disorders due to diabetes mellitus mental disorders due to digestive diseases mental disorders due to disease of connective tissue mental disorders due to encephalitis mental disorders due to endocrine disease mental disorders due to epilepsy Mental disorders due to human immunodeficiency virus mental disorders due to infective endocarditis

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