非常感谢！侄媳妇也不懂，但还是发了一张照片共我参考。电动牙刷和普通牙刷有啥不同？

来源: lawattaction 于 2017-11-02 10:14:31 [旧帖] [给我悄悄话] 本文已被阅读：次

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