pva 📖 中文释义 abbr. 聚醋酸乙烯酯(Polyvinyl Acetate);聚乙烯醇(Polyvinyl Alcohol);垂直取向构型(Patterned Vertical Alignment) 📘 English Definition(英文释义) n a vinyl polymer used especially in paints or adhesives ← pv diagram P 字母词表 pvas →