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来源:雅诚德英语网
Therefore could enhance the paper physical strength and reduced permeability and water absorption.
从而使纸张的物理强度提高、纸的吸水性和透气性降低。
Therefore could enhance the paper physical strength and reduced permeability and water absorption.
从而使纸张的物理强度提高、纸的吸水性和透气性降低。