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为了进一步加强ＣＡＤ（ＣｏｍｐｕｔｅｒＡｉｄｅｄＤｅｓｉｇｎ）技术在航空发动机设计领域的应用，主要介绍ＡｕｔｏＣＡＤ图形软件的辅助绘图、三维建模的功能及在航空发动机领域的一些应用。目的是在航空发动机设计领域推广及运用ＣＡＤ技术改善发动机的设计方法。
In order to further strengthen the application of CAD (Computer Aided Design) technology in the field of aeroengine design, this paper mainly introduces the auxiliary drawing of AutoCAD graphics software, the function of 3D modeling and some applications in the field of aeroengine. The purpose is to promote and apply CAD technology in the field of aeroengine design to improve the engine design method.