求助翻译一句话? knockback(reflux) condenser has vapor entering the bottom of the unit with condensate falling back against the incoming vapor. used very often to separate high and low boilers with minimal subcooling. 蒸汽从底部进入逆流冷凝器,冷凝液下流与进入蒸汽逆流接触。经常以最小过冷量来分离 高低馏分 。 个人理解,请大家指点。。查看更多