Unverified75% confidenceDecision RuleTime unknown
防溅设计看护罩形状:钟形/深腔护罩+内壁导流筋比平口护罩防溅效果显著,选购时确认护罩边缘直径小于常用杯口以形成密封
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified杯型(碗状)口罩密合性优于折叠型、支撑结构不易塌陷贴脸,适合长时间/高防护需求;折叠型便携易收纳但需注意佩戴时展开充分避免漏气86% similarUnverified面罩边缘密封方式看两类:充气式软垫(inflatable cuff)密封性好、贴合各种脸型但体积大;一次性塑料膜款贴合差、漏气多,只适合应急一次性使用82% similarPartially Verified折叠款设计便于随身携带存放,是该款型区别于杯形口罩的主要便携优势82% similarUnverified外穿轮廓平整的关键是罩杯厚度均匀且薄杯(≤5mm)+ 无明显乳贴/衬垫接缝;带厚定型海绵的款虽然遮点效果好,但在薄外衣下反而会显出杯型边缘轮廓80% similarUnverified折叠款设计便于携带存放,但气密性依赖鼻夹塑形是否到位,佩戴时需认真按压鼻梁处金属条,否则两侧漏气会显著降低实际防护效果79% similar
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