Superseded85% confidenceCautionTime unknown
戴眼镜人群不建议选纯全脸封闭面罩，呼吸湿气会持续起雾看不清；应选口鼻区域下拉设计或带鼻梁透气孔的巴拉克拉法头套
1
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85%
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Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
眼镜佩戴者应选鼻梁处带鼻夹金属条或导气结构的面罩，否则呼出气体上行导致镜片起雾，普通全包式面罩起雾率极高Sources
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