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1982年11月,铁道部派出考察组前往联邦德国考察无缝线路铝热焊技术,历时半个月。考察组先后访问了法兰克福联邦铁路总局、慕尼黑中心技术局试验所、慕尼黑工业大学陆路交通结构试验所、纽伦堡铁路焊轨厂、明登中心技术局试验所及其在汉诺威的焊接技术室,还搭乘线路钢轨探伤车组参观了一段运营线路的例
In November 1982, the Ministry of Railways dispatched an inspection team to the Federal Republic of Germany to inspect the seamless hot-strip aluminum welding technology, which lasted half a month. The team visited the Federal Railway Administration of Frankfurt, the Technical Center of Munich Test Center, the Land Transport Structural Testing Institute of the Technical University of Munich, the Nuremberg Rail Welded Rail Plant, the Test Center of the Minden Technical Center and its welding technology room in Hanover, Line rail detection unit visited a section of the operation of the case