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 (發動機)怠速轉動; 空轉 (See also idle)[英國英語]

• 2. N the speed of an engine when it is ticking over 空轉速度

• 3. N (as modifier) 空轉的

  tick-over speed

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