Two standard types of positional tolerance of group holes were discussed in this paper.
本文讨论了孔组定位的两种位置度标准类型。
The application of copying method in indirect measurement of positional tolerance and surface profile is introduced and several examples are given as well.
通过实例，简要介绍了印模法在间接测量形位公差及表面形态方面的应用。
应用推荐