[KongchangAI]
Unverified90% confidenceFactTime unknown

报警器传感器有寿命,半导体式和催化燃烧式一般为5-6年,到期需整机更换而非仅换电池;购买时确认生产日期,避免买到库存已久的产品。

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90%
Confidence
Long-term
Relevance
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