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聚乙烯醇粉末的性能与应用

 yiniric
聚乙烯醇粉末（Polyvinyl Alcohol Powder，简称 PVA）是一种重要的水溶性高分子材料，由聚醋酸乙烯酯经醇解反应制得。 https://anotepad.com/note/read/ejnjd9d5
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