The synthesis of 1,2-dimethoxybenzene from chloromethane combined with pyrocatechol is introduced in this paper.是什么意思_The synthesis of 1,2-dimethoxybenzene from chloromethane combined with pyrocatechol is introduced in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句