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为提高我国辗压螺纹工艺水平，并为做好辗压螺纹毛坯直径国家标准编制前的准备工作，全国螺纹标准化技术委员会和航空工业总公司３０１所联合在全国范围内组织了有关螺纹辗压（搓丝）技术征文和研讨活动，《航空标准化与质量》期刊业已选登了数篇有关文章。本人认为这次活...
In order to improve the level of China’s rolling thread technology, and to do a good job before rolling national standard preparation of screw thread diameter, the National Standardization Technical Committee and the National Aerospace Corporation joint 301 in the country organized the thread rolling Roll wire) technical essay and seminar activities, “Aviation Standardization and Quality” magazine has selected a number of articles. I think this live ...