Display the progress of charge: the use of superposition circuit technology, charging indicator light changes.

充电进度显示方式: 运用叠加电路技术, 充电时指示灯变亮.

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This regulator can not only control the output voltage of alternator, but can control charging indicator.

该调节器不仅能控制交流发电机的输出电压, 还能控制充电指示灯.

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