本文主要介绍了中颗粒钨粉一步还原法的生产工艺及设备。

This paper has mainly described the one-step technical process and equipment for producing tungsten powder having medium particle size.

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本文简要介绍了真空冷冻干燥食品的特点、种类，生产工艺及设备。

This paper briefly introduces the flavor, species, producing technology and equipment of vacuum freeze-dried food.

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针对亚麻二粗生产工艺及设备进行深入研究和改进，使亚麻二粗产品的质量得到很大提高。

Studies and improvement on the process and equipment of second hards, for enhancing the quality of the products.

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