[KongchangAI]
Unverified80% confidenceCautionTime unknown

有明显雾霾/PM2.5污染需求的家庭,不建议单买负离子发生器,负离子沉降颗粒物后会附着在地面墙面造成二次污染(黑墙),应选带HEPA滤网的空气净化器

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