“发动机可变气门正时控制”的概念、定义、翻译、参考文献-科学参考

单词	发动机可变气门正时控制
释义	发动机可变气门正时控制 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	throttle throttle device throttled flow throttle expansion effect throttle [expansion] process throttle expansion process throttle governing throttle orifice throttle position sensor throttle process throttle steam distribution throttle-type silencer，blow-off silencer throttle value throttling expansion refrigeration effect throttling kill manifold throttling marks throttling process Through a Glass Darkly through-air thermal bonding Through-back Boxing through casing resistivity logging device throughflow through-focus image through-hardening through-hole coating

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。