对于一定马力的发动机来说，单气缸发动机需要较大的飞轮来保持其瞬时速度的变化。

For an engine of a given horsepower, single cylinder engines require large flywheels to keep the momentary speed variations.

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对于一定马力的发动机来说，单气缸发动机需要较大的飞轮来保持其瞬时速度的变化。

For an engine of a given horsepower, single cylinder engines require large flywheels to keep the momentary speed variations.

youdao