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分類：公司新聞 發布時間：2022-05-25 15:57:31
The electromagnetic buzzer consists of an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm, and a casing. After the power is turned on, the audio signal current generated by the oscillator passes through the electromagnetic coil

The electromagnetic buzzer consists of an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm, and a casing. After the power is turned on, the audio signal current generated by the oscillator passes through the electromagnetic coil