It includes one conventional distillation column followed by a reactive column in which the azeotrope is reacted away in the RD column.

 
  • 在過(guò)去的架構中,為了打破正丁醇與乙酸丁酯共沸點(diǎn),多花了不少的成本。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan