It was found that the modified-PEEK with -SO3H and -CH2N(CH3)2 groups could be obtained by the chlorinemethylation and the amination modification.是什么意思_It was found that the modified-PEEK with -SO3H and -CH2N(CH3)2 groups could be obtained by the chlorinemethylation and the amination modification.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句