[KongchangAI]
Unverified80% confidenceFactTime unknown

电动牙刷相比手动更适合刷牙习惯不佳者:声波震动牙刷频率通常在31000次/分钟左右,配合2分钟计时和30秒分区提醒可提升清洁均匀度

1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen

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