[KongchangAI]
Unverified78% confidenceFactTime unknown

洁牙零食的螺旋纹、凸起颗粒等立体结构设计目的是增加与牙面尤其臼齿区的接触面积,比表面光滑的圆棒机械清洁效率更高

1
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78%
Confidence
Long-term
Relevance
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