polishing? 不會是“砂輪”,砂輪是補牙時用的,把壞的部分去掉磨掉時才用。
回答: 洗牙的最後一道工序呀,是polishing tool?polishing the tooth surface? 看不見呀!隻能猜
由 lawattaction
於 2017-01-16 11:31:47
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