[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

防新冠/流感等病原体飞沫传播,应选KN95/N95及以上(过滤效率≥95%对0.075μm颗粒),KN90仅适合防雾霾扬尘等大颗粒,不适合病毒防护

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Long-term
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