单项选择题
A.冷凝液入口、V-151去V-152管线出口与回流线出口在挡板同侧 B.冷凝液入口、V-151去V-152管线出口与回流线出口在挡板两侧 C.V-151去V-152管线出口、回流线出口与醚相出口在挡板同侧 D.冷凝液入口、回流液出口与V-151去V-152管线出口在挡板两侧
A.SBE:34%,SBA:48%,H2O:18% B.SBE:23%,SBA:56%,H2O:21% C.SBE:56%,SBA:23%,H2O:21%
A.小于或等于0.5% B.大于0.5% C.在1%-3%之间