The jerk pump was redesigned and the original mechanical governor was replaced with an electromagnetic actuator and its sensor.

完成了对发动机原有油泵的改装，加装了线性比例电磁铁执行器及相应传感器；

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But in the case of the diesel engine the supply is effected by an injection or jerk pump which forces a shot of fuel into each cylinder in turn ac cording to the correct firing sequence.

而柴油机是由喷油泵或脉动泵按照正确的点火顺序将燃油轮流地喷人各气缸的。

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