求翻译：本文从离心风机和轴流风机的结构、原理、零件的加工及材料的选择等方面进行研究分析离心风机与轴流风机性能。。是什么意思？

From the centrifugal fan and axial fan structure, principle, the processing of parts and materials selection, study and analyze the performance of the centrifugal fan and axial fan. .

This article from centrifugal blower and axial-flow turbine structure, principles, part of the processing and selection of the material for the research and analysis of centrifugal blower and axial-flow turbine performance. .

This article flows the air blower from the centrifugal air blower and the axis the structure, the principle, components processing and material aspects and so on choice carries on the research analysis gentrifugalism air blower and the axis flows the air blower performance.。

This article from the centrifugal fan and the axial fan, part of the processing structure, principle and selection of materials and other aspects of research and analysis for performance of the centrifugal fan and the axial ...

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