短語詞組短語Coking benzole 焦化苯light benzole [有化]輕苯benzole separation 粗苯廻收heavy benzole [有化]重苯motor benzole 動力苯benzole plant 苯廻收工段Benzole acid 苯甲酸benzole stripping 脫苯benzole forerunning 苯初餾 返回 benzole