Unverified90% confidenceDecision RuleTime unknown
口鼻区必须有独立透气孔或激光打孔透气面料，否则呼出水汽会在护目镜内侧凝雾结冰，纯密闭覆盖口鼻的款式滑行时几乎必起雾
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Unverified口鼻区域必须有透气孔或网眼面料，否则呼出的水汽在低温下凝结会打湿面料并结冰，导致口鼻区域越戴越冷84% similarUnverified需要覆盖口鼻的围脖，上拉高度应达到能盖住鼻梁下沿（约展开高度25cm以上），且口鼻处应有透气网孔或激光打孔设计，否则呼吸的水汽会在面料内凝结结冰，反而更冷更湿83% similarUnverified有眼镜/护目镜结雾困扰不要买封闭口鼻的一体全脸款，呼气无处排出会全部导向眼部，应选口鼻部独立通气孔或可下拉透气结构81% similarUnverified鼻夹较硬需仔细按压贴合鼻梁，否则上方漏气会导致眼镜起雾；戴眼镜用户务必做好鼻夹密封测试81% similarUnverified戴眼镜或护目镜者不建议选口鼻不透气的封闭款，呼气会大量上窜导致镜片起雾，需选带鼻部导流设计或口鼻透气孔的款式81% similar
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