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![Brushed DC electric motor - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_44.jpeg)
Brushed DC electric motor - Wikipedia, the free encyclopedia
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日期:2024-07-19
Brushed DC motors can be varied in speed by changing the operating voltage or the strength of the magnetic field. Depending on the connections of the field to ......看更多