急求:翻译一句话? this causes a substantial cooling effect on the top tray of the column to be lost giving vaporisation of top tray liquid equal to the amount of heat normally displaced by addition of cold liquid to the top tray. try this way: ---- this causes a substantial cooling effect (on the top tray of the column)to be lost, which leads to the vaporisation of top tray liquid (whose heat is) equal to the amount of heat normally displaced by addition of cold liquid to the top tray. ( equal to 到底是指“汽化热”还是“汽化量”,有点糊涂) 查看更多