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将空气分离装置中使用的氟利昂蒸发器由传统的递流结构改为顺流结构，对规格不同的蒸发器进行不同结构的供液分配器设计，经实践肯定了改进是成功的。
The Freon evaporator used in the air separation unit is changed from the conventional flow-diverting structure to the downstream structure, and the design of the liquid distributor for different structures of the evaporator with different specifications is confirmed to be successful in practice.