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在毛主席“还是安定团结为好”的方针和关于无产阶级专政的理论问题的重要指示指引下,在中共中央九号文件的鼓舞下,铁路运输局面日新月异。在这样的大好形势下,为了推动铁道部门技术革新、技术改造工作的发展,为了使国产电力机车技术不断提高和完善,1975年3月27日至30日在成都铁路局马角坝机务段召开了“铁道部可控硅过渡硅机组
Under the guidance of Chairman Mao’s principle of “stability or reunification as a good” and the important directives on the theoretical issues concerning the dictatorship of the proletariat, the railway transportation situation has been rapidly changing with the encouragement of document No. 9 of the Central Committee of the Communist Party of China. In such a favorable situation, in order to promote the technological innovation of the railway sector and the development of technological transformation, in order to continuously improve and perfect the technology of domestic electric locomotives, a helicopter was deployed at the Lok Ma Pag locomotive depot of Chengdu Railway Bureau from March 27 to March 30, 1975 The "Ministry of Railways silicon controlled silicon unit