Unverified85% confidenceFactTime unknown
检测仪读数验证方法：将机器拿到室外空旷通风处静置，甲醛应趋近0、CO2应接近400ppm、PM2.5接近当地实测值，若室外读数明显偏高说明传感器不准
1
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85%
Confidence
Long-term
Relevance
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