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根据铁道部有关文件的安排,由铁道部大连内燃机车研究所和北京二七机车工厂、资阳内燃机车工厂、四方机车车辆工厂及北京长辛店二七劳动服务公司共同研制生产的M25、M35、M50系列万向轴,已取得了成果,它不但在内燃机车上得到应用,而且还推广到石油钻机和轧钢机械上应用。为此,铁道部科技局会同工业总局与机务局于1984年10月24日～26日,在北京二七机车工厂召开了该系列万向轴的部级技术鉴定会。参加会议的有:铁道部有
According to the Ministry of Railways documents arrangements, by the Ministry of Railways Dalian Diesel Locomotive Research Institute and Beijing Erqi locomotive factory, Ziyang diesel locomotive factory, Sifang locomotive and rolling stock factory and Beijing Changxindian labor services company jointly developed and produced M25, M35, M50 series of universal joints, has achieved results, it is not only used in diesel locomotives, but also extended to oil rigs and rolling mill applications. To this end, the Bureau of Science and Technology of the Ministry of Railways, together with the Bureau of Industry and the Bureau of Machine Building, held a ministerial technical appraisal meeting of the series of universal shafts at the No.2 locomotive factory in Beijing from October 24 to October 26, Participate in the meeting are: Ministry of Railways have