[KongchangAI]
Unverified85% confidenceFactTime unknown

UVC灯管有寿命衰减,普通灯管约8000小时后杀菌辐照强度显著下降但仍会发光,需按累计使用时长定期更换,不能凭'还亮着'判断是否有效

1
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85%
Confidence
Long-term
Relevance
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