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受国家交通运输部委托,由重庆市交通委主持的《公路隧道养护技术规范》修订工作第三次会议,于2012年3月16日在重庆交通科研设计院召开。
Entrusted by the State Ministry of Transport, the third meeting of the “Revision of Technical Specifications for Road Tunnel Maintenance” hosted by the Chongqing Municipal Commission of Communications was held on March 16, 2012 at Chongqing Communications Research Institute.