For example, in bondid hygrogram, the absolute humidity bleaching Board for up to 6%, and the absolute unbleached kraft paper up to 7.5% humidity.
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- 例如,在相的湿量下,不染黑纸板的绝差湿量可达6%25,而未不染黑牛皮纸的绝差湿量可达7.;5%25。