该文介绍了海水蒸发器、预热器、终端冷凝器、海水箱等系统主要设备及海水淡化蒸发工艺流程。
The main parts of the system including the steam generator, the evaporator, the preheater, the final condenser, and the seawater tank are described in the paper.
当蒸馏海水时，蒸馏器排出的冷却水返回蒸发器作为给水，其目的是为了提高经济性，选C。
When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water .
黄铜常作为制冰盐水池蒸发器，载冷剂溶液蒸发器，舰船海水冷凝器的管子材料。
Brass is frequently used as evaporator in buiding pool of cold salt solution and of cool carrier agent. It is also used as pipe materials for seawater condenser on boats and vessels.
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