Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/6d9d15d8e535300bced8d7ef8ecea8f7.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 polyvinyl acetate英英字典_polyvinyl acetate剑桥英语解释_polyvinyl acetate柯林斯英文解释_歐米惠必应词典
1. N a colourless odourless tasteless resin used in emulsion paints, adhesives, sealers, a substitute for chicle in chewing gum, and for sealing porous surfaces 聚醋酸乙烯脂 ( abbr: PVA)