polyvinyl acetate聚乙烯: polyethylene; polythene醋酸: acetic acid聚乙烯醋酸酯纤维: polyvinyl-acetate fiber聚乙烯吡咯酮-乙烯醋酸共聚物: polyvinylpyrrolidone vinylacetate co-polymer乙烯醋酸乙烯酯: ethylene vinyl acetate下载手机词典可随时随地查词查翻译