Unverified85% confidenceDecision RuleTime unknown
防护需求分层：日常上学/室内选一次性平面型（透气优先）；流感高发期或人群密集处选儿童KN95/KF94立体型（过滤效率≥95%）；纯防雾霾无需求可选普通棉布防护口罩
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Unverified执行GB/T 38880标准、过滤效率≥95%，属于儿童防护型口罩的较高防护等级，适合雾霾天、流感季等需要强防护的出行场景76% similarUnverified执行GB/T 38880标准，过滤效率≥95%，属于儿童防护型口罩中的较高防护等级，适合雾霾天、流感季等需要较强防护的出行场景76% similarUnverified该款定位日常防尘、雾霾天及普通流感季上学通勤等低强度防护场景，非专业医疗或工业防护产品75% similarUnverified防护等级越高（KN95）过滤效率越强但呼吸阻力越大、透气越差，儿童长时间佩戴易不适；夏季或长时间户外活动优先选一次性平面口罩，重污染短时外出才用KN9574% similarUnverified母婴空气净化方案标准路径：先判断污染类型（新房选除醛型/雾霾季选高颗粒物CADR/流感季关注飞沫过滤）→按房间面积×5倍换气反算CADR→确认睡眠档≤30dB→核算滤芯年更换成本→避开负离子/臭氧/UV等主动式技术68% similar
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