当给子程序的参数赋以初值后，由计算机控制自动绘图机绘制出尺寸界线、尺寸线、箭头和注写尺寸数字。
After the subroutine parameter is given the origin number, the plotter controlled by computer can draw out automatically extension line, dimension line, arrowhead and write dimension figures.
绘图机是计算机常用的图形输出设备，可以把计算机所生成的样片图用绘图笔或喷墨方式画在绘图纸上保存下来。
The graph plotter is an in common use equipment to output graph, and it can conserve pattern on plot paper which make by computer.
绘图机是计算机常用的图形输出设备，可以把计算机所生成的样片图用绘图笔或喷墨方式画在绘图纸上保存下来。
The graph plotter is an in common use equipment to output graph, and it can conserve pattern on plot paper which make by computer.
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