[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

车载负离子发生器优先选USB供电+碳刷无臭氧型:车内密闭空间小、通风差,臭氧积聚风险高于开放房间,浓度3-5万个/cm³已足够

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80%
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Long-term
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get_claim(id=308261)