透气性测试。
In this paper, air permeability test has been conducted to determine the specific surface area of fine particle of sediment.
采用透气法，量测了细颗粒泥沙的比表面积。
The air permeability and the randomness of air permeability test of different shoe upper leather, shoe lining single -layer material and compounded samples were studied.
对不同鞋面革、鞋里材料单层和复合试样的透气性及其测试的随机性进行了试验研究。
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