[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

负离子浓度越高、放电电压越强,产生臭氧和氮氧化物的风险越大;家用日常保健用途选择中等浓度(50-100万/cm³出风口)+零臭氧机型,比盲目追求千万级浓度更安全

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