汽门正时的英文

valve timing

valve tming

valvetiming

• 汽:    vapour steam
• 门:    entrance; exit; do ...
• 正时:    correct timing; co ...

例句与用法

1. Variable - valve - timing system . v . t
   可变汽门正时系统
2. Valve - timing mark
   汽门正时记号