用了N年了。没这么可怕，可以调水压，对牙齿绝对有好处。

来源: k_lao 于 2021-04-27 19:02:14 [旧帖] [给我悄悄话] 本文已被阅读：次

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用了N年了。没这么可怕， 可以调水压，对牙齿绝对有好处。