从这台设备中出来的热蒸汽通进二效的列管换热器，使第二台蒸发器中的液体沸腾。
Hot vapor from this unit passes to the second-effect calandria and causes boiling in the second evaporator.
从这台设备中出来的热蒸汽通进二效的列管换热器，使第二台蒸发器中的液体沸腾。
Hot vapor from this unit passes to the second-effect calandria and causes boiling in the seconde vaporator.
通过对隔膜蒸发进行工艺设备改造，使蒸发的蒸汽消耗明显降低。
The steam consumption in evaporation has been obviously reduced by way of innovating the process and device in diaphragm evaporation.
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