pumparounds和total pumparounds有什么区别? The "Total Pumparound" button is only available for columns using the Enhanced I/O and Sure algorithms. Total liquid pumparounds normally pump down to the tray below. If not there should be a cooling source or feed to that tray to provide reflux below the total pumparound draw. Similarly, a total vapor pumparound normally flows to the tray above. If not, a heating source or feed must be provided to that tray to create boil-up. 查看更多3个回答 . 2人已关注