DH centrifugal compressor is a wide-applied centrifugal compressor type, while domestic DH centrifugal compressor has come to lots of difficulty in design aspect as well as application aspect.

作为一种应用广泛的离心压缩机，DH型离心压缩机的国产化无论在理论设计还是工程实践应用方面都存在着大量的问题。

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Compressor impeller is a type of representative parts with sculptured surface, which is the most important part in the centrifugal compressor.

压气机叶轮作为离心压气机的核心零件，是一类典型的复杂曲面零件。

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Centrifugal FLOW compressor, a type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.

离心式压气机，压气机的一种。当进气到达叶轮中心时，被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢，压力增加。

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