摘要
本文对现生产领域普遍采用的有关形位公差的两个版本标准进行比较 ,可以在已掌握 80年国标前提下 ,熟悉并掌握最新标准 (96年国标 )。
This article is designed to master the latest standard (GB of 1996 version) based on knowing the old standard (GB of 1980 version) by comparing the two widely used standard (GB of geometrical tolerance) in the productive field.