论文部分内容阅读
自1973年第5期开始,多次在“标准问题讨论”栏里讨论了螺纹标准。为了弄清问题,统一认识,正确贯彻标准,谈谈我们对这个问题的看法。
Since the fifth issue of 1973, thread standards have been discussed several times in the “Standard Questions” column. In order to clarify the issue, we should unify our understanding, correctly implement the standards, and talk about our views on this issue.