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One of the main methods to test the gas permeability is using partial pressure difference.
用压差法测试塑料薄膜的透气性,是一个长期使用的主流测试方法。
youdao
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One of the main methods to test the gas permeability is using partial pressure difference.
用压差法测试塑料薄膜的透气性,是一个长期使用的主流测试方法。
youdao