这段话应该怎么翻译? A sidestream, which is the recovered benzene distillate stream from the column, is taken four trays from the top of the column. Taking the benzene stream a few trays from the top rather than from the reflux drum along with having a small vent stream from the reflux drum to the Lights Column results in very little dissolved water in the benzene, which benefits the subsequent treating. 查看更多3个回答 . 1人已关注