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介绍了透气度的基本概念、测试原理和测试方法,对不同条件下的透气度进行了测量与分析,明确了测试过程中的影响因素。对多孔材料透气度测试的规范化有重要意义。
The basic concept of air permeability, test principle and test methods are introduced. The air permeability under different conditions is measured and analyzed, and the influencing factors in the process of testing are clarified. The standardization of the air permeability of porous materials is of great significance.