This paper introduces the method of volume calculation in rotary forging CAD and derives the current formulas and works out the programme in BASIC.
本文介绍了回转体锻件CAD中锻件体积的计算方法，推导出了通用的计算公式，并编制了BASIC程序。
The article introduces the basic idea and principle for the CAD system's design of the shaft fan's installation drawing in the coal mine.
文中介绍了煤矿用轴流式通风机设备安装布置图CAD系统设计的基本思想与原则，详细说明了图块的分解、绘制以及总图组装等问题。
This paper discusses how to use ADSRX environment to develop heat-exchanger CAD software by expounding the basic structure of ADSRX.
通过阐述ADSRX应用程序的基本结构，说明如何利用AD SRX环境开发换热设备CAD软件。
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