It just needs one potentiometer additionally to realize ac power regulation during being used, this product could take the place of heavy contacting voltage-regulator under most circumstances.
使用时仅需外配一只电位器既可实现交流电功率调节，在许多应用场合中可代替笨重的接触式调压器。
It just needs one potentiometer additionally to realize ac power regulation during being used, this product could take the place of heavy contacting voltage-regulator under most circumstances.
使用时仅需外配一只电位器既可实现交流电功率调节，在许多应用场合中可代替笨重的接触式调压器。
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