A well-adjusted engine will have a stable idle and will not surge up and down after the throttle is closed.

一个完美的调整引擎将有稳定的怠速，收油门转速会上上下下都是不正确的。

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A well-adjusted engine will have a stable idle and will not surge up and down after the throttle is closed.

一个完美的调整引擎将有稳定的怠速，收油门转速会上上下下都是不正确的。

youdao