DME is a preferred substitute for chlorofluorocarbons and can derive a number of products with high value such as dimethyl carbonate,acetic acid,acetic anhydride and formaldehyde.是什么意思_DME is a preferred substitute for chlorofluorocarbons and can derive a number of products with high value such as dimethyl carbonate,acetic acid,acetic anhydride and formaldehyde.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句