牙医诊所都卖。还可以用HSA里的钱。我喜欢用强弱档的弱档，力不要太强，磨得时间长一些。

来源: 7Sle 于 2016-10-18 14:11:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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