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本文介绍一种专为生产“活性参”而研制的真空冷冻干燥装置。它的主要特点是结构简单，操作方便，性能可靠，成本和运转费用低，实践证明该设备除用于冻干“活性参”外，还可用于山野菜的生产。
This article describes a specially designed for the production of “active reference” and developed a vacuum freeze-drying device. Its main features are simple structure, easy operation, reliable performance, low cost and running cost. It has been proved that this equipment can be used for the production of wild vegetables in addition to freeze-dried active ingredients.