This thesis illustrates the key techniques and realizing technology on the process of system development and Tree of Assembly, database design, drawing browsing, file transfer, popedom management etc.

本文论述了本系统开发的流程和图档装配树、数据库设计、图纸浏览、文件传输、权限管理等关键技术和实现方法。

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At the end of the paper the formation and development of the drafting system are described on the example of the assembly drawing of a brake coupling.

文章最后以制动轮联轴器装配图为例，对绘图系统的建立和二次开发进行了说明。

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Design and development of the mechanical systems, compose schematic diagram; assembly drawing and part drawing; testing on production etc.

产品机械设备的设计开发，包括完成产品原理图、装配图、零件图的设计、产品零部件选型和测试等；

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