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1·The vacuum drier of the invention has the advantages of simple production, wide application range, as well as comparatively high drying uniformity and efficiency.

本发明制造简单、应用范围广、干燥均匀性和干燥效率较高。

2·Vacuum shelf drier Limited production of certain.

盘架式真空干燥器有限量的生产某些食品。

3·The control principle of the vacuum freeze drier with a computer and PLC is introduced, and the composition of the hardware and software are presented.

介绍了用计算机和可编程序控制器(PLC)对真空冷冻干燥机控制的原理，以及硬件和软件的组成。

4·The drier belongs to static vacuum one. Therefore the shape of raw material to be dryed can not be damaged.

在干燥器属于静态式真空干燥器，故干燥物料的形状不会损坏。