tick over

柯林斯词典

tick over

• 1. V (of an engine) to run at low speed with the throttle control closed and the transmission disengaged (发动机)怠速转动; 空转 (See also idle)[英国英语]

• 2. N the speed of an engine when it is ticking over 空转速度

• 3. N (as modifier) 空转的

  tick-over speed

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