青云翻译

Segment of the atmospheric tower two condenser cooling and two middle of reflux to the top of the tower to take heat: first the middle back to take heat: the second the middle to take the heat for 4:3:3.

Secondary cooling and condensation of atmospheric Tower two back in the Middle, top heat: first Middle back heat: second heat in the middle of 4:3:3.

The atmospheric pressure section uses the tower to go against two level of condensation cooling and two center-section backflow, the tower goes against takes the heat: The first center-section backflow takes the heat: The second center-section takes hotly is 4:3:3.

Constant pressure with the top of the tower level 2 condensate cooling, and two of the top of the tower, back from the heat in the first paragraph: the hot return: the first 2 paragraphs in the hot-4: 3: 3.

Secondary cooling and condensation of atmospheric Tower two back in the Middle, top heat: first Middle back heat: second heat in the middle of 4:3:3.