Unverified85% confidenceTradeoffTime unknown
镜片带防雾涂层(Anti-fog / N字标识)搭配间接通风孔是防雾与防尘的平衡方案;全密封无通风孔在戴口罩呼气时极易起雾,不适合长时间作业
1
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85%
Confidence
Long-term
Relevance
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