[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

兼具HEPA滤网净化功能的机型能除PM2.5,但滤网需定期更换(增加成本),且负离子在通过滤网时会被大量吸附损耗,'净化+负离子'一体机的负离子释放效率往往低于纯负离子机

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Long-term
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