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甲醛ppm值标准是多少_家居日记
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甲醛ppm值标准是多少

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甲醛ppm值标准是多少 有两个标准值：在建筑标准中要求空气中甲醛的含量不得高于0.08毫克每立方米，即不能超过0.062ppm；而在装修标准中甲醛浓度应低于0.


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