[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

一次性口罩戴湿或超过4小时应更换,重复使用会因潮湿滋生细菌且过滤层失效;N95在污染环境下累计使用一般不超过8小时且不可清洗

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Long-term
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get_claim(id=127264)