N a cylindrical vessel through which vertical tubes pass, esp one forming part of an evaporator, heat exchanger, or nuclear reactor (船只的)排管式加热体
It's a calandria type reactor.
这是一个压力排管式的反应堆。
Condensate from the first-effect calandria is used for preheating the feed.
一效列管换热器中出来的冷凝液被用来预热进料。
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。
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