Unverified72% confidenceDecision RuleTime unknown
选宽刮面（覆盖舌宽度）+ 双向可用设计，一次刮除面积大、次数少，减少对舌根的反复刺激；窄头需多次刮拭更易引发不适
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
Sources
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