Methods: the formaldehyde concentration in indoor air was measured simultaneously using the portable formaldehyde analyzer and AHMT method, respectively.
方法：分别使用便携式甲醛分析仪和AHMT比色法同时对室内空气中甲醛浓度进行测定。
Methods: the formaldehyde concentration in indoor air was measured simultaneously using the portable formaldehyde analyzer and AHMT method, respectively.
方法：分别使用便携式甲醛分析仪和AHMT比色法同时对室内空气中甲醛浓度进行测定。
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