Therefore, water vapor permeability of flexible packaging material (or barrier) of the test of testing more and more important in the packaging.

因此，对软包装材料透气透湿性（或阻隔性）的测试研究在包装测试中越来越重要。

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Therefore, water vapor permeability of flexible packaging material (or barrier) of the test of testing more and more important in the packaging.

因此，对软包装材料透气透湿性（或阻隔性）的测试研究在包装测试中越来越重要。

youdao