For synthesis of cumene used benzene with propylene a fixed bed catalytic distillation column and a suspension catalytic distillation column is respectively simulated.是什么意思_For synthesis of cumene used benzene with propylene a fixed bed catalytic distillation column and a suspension catalytic distillation column is respectively simulated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句