Vacuum freeze-drying, including the techniques of vacuum, freezing and drying, is a food processing method.
真空冷冻干燥是集真空技术、冷冻及干燥技术为一体的食品加工方法。
Finally according to design of Small scaled vacuum-freezing drying equipment, from which we investigate design theory of food freezing drying equipment.
最后通过对小型的真空冷冻干燥机的设计，探索了食品冻干设备的设计理论。
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