拆解一支199元的电动牙刷，驱动方式采用声波马达，第一次见_哔哩哔哩_bilibili

Name: %E6%8B%86%E8%A7%A3%E4%B8%80%E6%94%AF199%E5%85%83%E7%9A%84%E7%94%B5%E5%8A%A8%E7%89%99%E5%88%B7%EF%BC%8C%E9%A9%B1%E5%8A%A8%E6%96%B9%E5%BC%8F%E9%87%87%E7%94%A8%E5%A3%B0%E6%B3%A2%E9%A9%AC%E8%BE%BE%EF%BC%8C%E7%AC%AC%E4%B8%80%E6%AC%A1%E8%A7%81
Uploaded: 2025-07-07T22:15:32.665Z
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