本文提出了一个工程图纸扫描输入和图象文件管理的参考方案。分析了其特点，并对其中几个具体问题进行了较为详细的讨论。
This paper presents a reference scheme of engineering drawings scanning input and image files management, gives some detailed discussion on several fundamental questions about it.
典型的铸造工艺CAD系统工作过程是：1） 接收用户送给的铸件图纸，在以工程图方式接收时可自行进行三维造型；
The typical casting process CAD system work process is: 1) receive the user to casting drawings, in engineering drawings can be to make their own way received three dimensional shape;
我刚刚把10030这个项目的所有图纸完成，这个项目也是我第一次出工程图，呵呵。
I have got the completion of 10030 project's graphics, that was my first time drawing Engineering Graphics.
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