Unverified82% confidenceTradeoffTime unknown
封闭式护目镜的通风防雾与密封保暖是矛盾的：通风孔越多越不易起雾但进风更冷；高山大风环境选密封性强+双层镜片，攀爬出汗多的活动选可调节通风或磁吸换片款
1
Sources
82%
Confidence
Long-term
Relevance
-
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