The study of the modification of SAN resin was carried out by means of the copolymerization of methyl acrylate with styrene and acrylonitrile.是什么意思_The study of the modification of SAN resin was carried out by means of the copolymerization of methyl acrylate with styrene and acrylonitrile.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句