所属栏目：英汉双解化学
A synthetic fiberthat consists of a copolymer of 1-cya-noethene (acrylonitrile,vinyl cyanide) andethenyl ethanoate (vinyl acetate). 由1-腈基乙烯(丙烯腈,乙烯基腈)和乙烯基乙基酯(乙烯基乙酸酯)的共聚物组成的合成纤维。 ......（本文共 161 字 ） [阅读本文] >>
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