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DMP-42绘图机是微型计算机CAD技术输出的重要外部设备,它实现了计算机辅助绘图和计算机参数制图的功能(所谓参数制图是指高级语言同AUTOC-
DMP-42 Plotter is an important external device for the output of CAD technology of microcomputers. It realizes the functions of computer aided plotting and computer parameter plotting (the so-called parameter plotting refers to the high-level language with AUTOC-