Digital engineering drawing can use 3d model directly instead of 2d drawing.

数字工程图会突破二维图纸的模式，直接使用三维数字工程模型。

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This article describes the process of designing and establishment about The Engineering Design Drawing Digital Library System.

本文主要阐述了工程设计数字档案库系统的设计和实现过程。

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