Unverified90% confidenceCautionTime unknown
带呼气阀设计有助于降低闷热感和呼气阻力,但不适合需要保护他人的场景(如流感季防止飞沫外排),仅为单向防护
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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