[KongchangAI]
Unverified80% confidenceFactTime unknown

汞灯管UVC灯有使用寿命衰减,通常8000-10000小时后紫外强度下降到初始的70%以下即需更换,长期使用者应选可换灯管型号而非一体式

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80%
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Long-term
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