采用电磁阀控制，脚踏操作。

Using electromagnetic valve control, pedal operation.

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采用高频脉宽调制功率驱动电路进行电磁阀的高速强力驱动，并利用电流微分信号有效反馈了控制阀关闭始点。

The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.

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