Unverified90% confidenceDecision RuleTime unknown

紫外线（UV-C）消毒器杀菌波长需达到253.7nm才有效，购买时应确认标注UV-C波段而非普通UV或UVA，后者对细菌灭活率不足

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安抚奶嘴消毒器category

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Unverified紫外线（UV-C）消毒器需波长在253.7nm左右才对细菌病毒有效，选购时应确认标注UV-C波段而非普通紫外灯或蓝光；单纯蓝光/负离子对牙刷灭菌效果有限93% similar UnverifiedUV杀菌需UVC波段(253.7nm)且照射时间足够才有效，标称'UV杀菌'但只在出雾口短暂照射的机型杀菌率往往＜90%，选购应查看CADR式的除菌率认证（如≥99.9%）92% similar Unverified杀菌用UV-C波长必须在253.7nm附近（有效范围250-260nm），标称'紫外线'但未标明UV-C或波长的多为UV-A假消毒产品，无杀菌能力92% similar

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