·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper introduces a principle of how to measure individual circular pitch error and total cumulative pitch error, at the same time comparative method is put forward.
文章介绍了单个齿距偏差和齿距累积总偏差的测量原理，同时也介绍了相对法的测量方法。
youdao
应用推荐
模块上移
模块下移
不移动