Unverified90% confidenceDecision RuleTime unknown
边缘必须钝化处理：优质刮舌器边缘为圆润的刮除面而非锐利刀口，锐利边缘会刮伤舌乳头导致味觉受损和溃疡，购买时应确认边缘经过抛光/翻边处理
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