Also the normal distillation column and extractive distillation column are set up,and experiments are done to testify the whole distillation process...是什么意思_Also the normal distillation column and extractive distillation column are set up,and experiments are done to testify the whole distillation process...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句