[KongchangAI]
Unverified85% confidenceFactTime unknown

CO电化学传感器寿命通常5-7年,烟雾光电传感器约10年,复合机整体寿命以较短者为准(约5-7年),选购时确认带'到期提示'(EOL声光提醒),否则易用超期失效设备

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