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。
The existing problems of food flexible packaging material were analyzed and the safety standards of flexible packaging materials were summarized.
本文分析了我国目前所使用的几种食品包装材料的安全隐患，就加强我国食品包装材料卫生管理工作提出了几点建议。
The existing problems of food flexible packaging material were analyzed and the safety standards of flexible packaging materials were summarized.
本文分析了我国目前所使用的几种食品包装材料的安全隐患，就加强我国食品包装材料卫生管理工作提出了几点建议。
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