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通常的方法就是使用整流器---一种把交流电转换为直流电的装置。
The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.
youdao
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通常的方法就是使用整流器---一种把交流电转换为直流电的装置。
The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.
youdao