《七五》期间,我国重型机械行业取得了令人瞩目的重大成就,本文用史实和统计数据,从重大技术装备研制及新产品开发、消化吸收引进技术及自主开发研究、大中型企业技术改造、骨干队伍成长四个方面,综述其发展,是一篇内容翔实的文献。 During the “Seventh Five-Year Plan” period, China’s heavy machinery industry has made remarkable achievements. This paper uses historical and statistical data to develop major technology equipment and new product development, assimilate imported technologies, develop research independently, and conduct technological transformation of large and medium-sized enterprises. There are four aspects of the development of the backbone team and a review of its development. It is an informative document.