The main synthetic methods of ethylene glycol was described. The ethylene glycol was synthesized by ethylene carbonate that is a new method which was importantly introduced.是什么意思_The main synthetic methods of ethylene glycol was described. The ethylene glycol was synthesized by ethylene carbonate that is a new method which was importantly introduced.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句