This paper provides a program about labeled dimension tolerance with VB and gives the relevant software to mechanical drawing label system which can be used to finish the auto-label. The way of drawing is provided for engineering and technical personnel according to the national standard.%提供了一个尺寸公差标注的程序,用VB语言编程,全部实现了软件控制,本程序的开发与研制为机械图样标注系统提供了相关软件,实现了尺寸公差的自动标注,利用该软件可在标注位置自动生成,符合国家标准规定,为工程技术人员绘图提高了便捷的途径.
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