acrylonitrile-vinyl chloride copolymer丙烯: propylene; propene腈: nitrile丙烯腈-偏二氯乙烯共聚物: acrylonitrile-vinylidene chloride copolymer丙烯腈 丁二烯 苯乙烯共聚物: abs丙烯腈-醋酸乙烯共聚物: acrylonitrile-vinyl acetate copolymer下载手机词典可随时随地查词查翻译