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3岁以下低龄幼儿因脸型更小、呼吸道较弱，佩戴此款仍可能不密合且透气受限，需谨慎

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Partially Verified标注「3岁以上儿童」尺寸，不适用于3岁以下婴幼儿——小月龄儿童佩戴口罩有呼吸阻力过大的安全风险83% similar Unverified折叠头戴式设计对低龄儿童（约3岁以下）脸型偏大，贴合度不佳会漏气，实际防护效果打折扣83% similar Unverified标注适用年龄6-12岁，不适合6岁以下幼儿——幼儿脸型小，口罩边缘贴合差会导致防护失效，也有呼吸阻力过大的风险82% similar

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