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为了总结、交流经验,统一设计原则,和解决长隧道运营通风设计技术问题而召开的全路隧道运营通风专业技术会议,由11月27日起,历时八天,已于12月4日在成都园满闭幕。这次专业会议是由铁道部第二设计院和专业设计院共同主持召开的,在二院党委的直接领导下,会议取得很大的收获。参加这次会议的除铁道部有关业务主管单位、设计
In order to summarize and exchange experiences, unify design principles, and solve the long-tunnel operation and ventilation design technology issues, the all-road tunnel operation and ventilation professional and technical conference was held on November 27 and lasted for eight days. It was already in Chengdu on December 4th. The park is closed. The professional meeting was jointly hosted by the Second Design Institute of the Ministry of Railways and the Design Institute of Professional Design. Under the direct leadership of the Party Committee of the Second Hospital, the meeting made great achievements. Participate in this meeting in addition to the competent business unit of the Ministry of Railways, design