[KongchangAI]
Unverified76% confidenceDecision RuleTime unknown

PM2.5激光传感器有使用寿命(约3~5年/连续运行会衰减),长期开机的空气检测仪读数会逐年偏低;选购时优先支持传感器校准或模块可更换的产品

1
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76%
Confidence
Long-term
Relevance
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