[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

释放高浓度负离子的产品几乎无法避免微量臭氧和氮氧化物副产物,浓度越高副产物风险越大:追求健康疗养效果时也要控制在安全阈值内,纯净型无臭氧产品浓度通常做不到宣传的千万级

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