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1985年12月3日～5日,铁道部基建总局、科技局、工务局在四川隆昌召开了无缝线路科技成果鉴定会议。鉴定了“在小半径曲线上铺设无缝线路”和“在长大坡道(大于12‰)上铺设无缝线路”两个科研成果。到会的代表来自铁道科学研究院、科技情报所、专业设计院、北方交通大学、西南交通大学、长沙铁道学院、兰州铁道学院和北京、沈阳、哈尔滨、郑州、济南、昆明、兰州、乌鲁木
December 3, 1985 to 5, the Ministry of Railways, Infrastructure Bureau, Science and Technology Bureau, Bureau of Works held in Longchang, Sichuan scientific and technological achievements of seamless lines appraisal meeting. Two scientific achievements of “laying CWR on a small radius curve” and “laying CWR on a long ramp (greater than 12 ‰)” were identified. Representatives from the Academy of Railway Sciences, Science and Technology Intelligence Institute, Professional Design Institute, North Jiaotong University, Southwest Jiaotong University, Changsha Railway Institute, Lanzhou Railway Institute and Beijing, Shenyang, Harbin, Zhengzhou, Jinan, Kunming, Lanzhou, wood