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铁道部于1986年9月9～12日,在绍兴召开了 DX-H_1型道口自动信号现场鉴定会。参加会议的有铁道部科技局、电务局、工务局和部鉴定委员会,上海铁道学院、北方交通大学各铁路局等单位共50多人。1984年5月铁道部科技局、电务局组织铁道部科学研究院、北方交通大学、上海铁道学院、铁道部通号公司、北京、上海铁路局等有关单位对杭州分局运用动态监护,逐轮判别方案所研制的道口报警器进行现场审查,在原有 TL-3D 型基础上进一步提高性能,研制出一
The Ministry of Railways held the on-site appraisal meeting of DX-H_1 type crossing automatic signal in Shaoxing from September 9 to September 9, More than 50 participants attended the conference including Science and Technology Bureau of the Ministry of Railways, the Bureau of Electric Affairs, the Bureau of Works and Bureau Identification, the Shanghai Railway Institute, and the Railway Administration of Northern Jiaotong University. May 1984 Ministry of Railways Science and Technology Bureau, the State Council Bureau of Science and Technology Organization of the Ministry of Railways, North Jiaotong University, Shanghai Railway Institute, the Ministry of Railways, the company, Beijing, Shanghai Railway Bureau and other relevant units of Hangzhou Branch of the use of dynamic custody, Discrimination program developed by crossing alarm for on-site review, based on the original TL-3D to further improve performance, developed a