采用COM/DCOM编程方式，结合C#语言和DX，CAD二次开发接口，依照PDM的技术思想并将PDM与CAD系统集成-he present paper based on to face to the systemdevelopment method of the module,the adoption COM/DCOMprogramming way,combine C# develop to connect with CAD/OPEN API,according to the PDM of te