The development of integrated management of engineering drawings, integrated manufacture, cooperative design and the demand of remote drawing transmission requires a kind of integrated Drawing Archiving and Communication System (DACS).

• 工程图纸的统一管理和集成制造、协同设计的发展 ；以及图纸网络传输的需要 ；要求有一种集成的图纸存档和通信系统 (DACS) .