permeability testing machine 渗透仪
air permeability testing 通气性试验法
in-situ permeability testing 原位渗透试验
For Diverse of Fabrics, including fabrics permeability of the water vapor permeability testing.
用于各类织物，包括透湿型涂层织物的透湿量试验。
The effect of permeability on the performance of the felt and the trend of permeability testing are discussed.
探讨了造纸毛毯透通性等性能测试方法的发展趋势。
We also assemble a set of permeability testing equipment, by which we study on the effect of density, thickness and air pressure on the relative permeability.
并利用自行组装的测试设备研究了柔性石墨板密度、厚度以及空气压力差对相对透气系数的影响。
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