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ttplayer攻略指南新手（TTPlayer guide, beginner） Circular on printing and distributing the system for the maintenance and administration of Highway Bridges Pay the highway number [2007]336 Provinces, autonomous regions, municipalities directly under the central government and the Xinjiang production and Construction Corps transportation department (bureau and commission), Shanghai Municipal Engineering Administration, Tianjin municipal highway administration: In order to meet the needs of highway bridge maintenance and development, the highway bridge and beam maintenance should be standardized and strengthened The maintenance management will further improve the maintenance level of highway bridges and public service Force, the Ministry issued in 1991 the highway bridge maintenance management system into It has been amended and is hereby printed and issued to you. Please comply with it. Promulgated by the public in 1991 Luqiao Liang maintenance management system was abolished at the same time. Ministry of communications of the Peoples Republic of China (Chapter) Two years seven, June 29th Maintenance management system of Highway Bridge Chapter I General Provisions First, in order to strengthen and standardize the maintenance and management of highway bridges, and ensure the smooth flow of highways The safety of bridge operation is based on the highway law of the Peoples Republic of China and regulations on the administration of toll roads And other laws and regulations, the formulation of this system. Second, this system applies to the National Highway (including the national highway network, the same below), provincial highway Bridge maintenance management work. The maintenance management of other highway bridges shall be carried out by reference. Third bridges maintenance management should implement the prevention first, safety first work party Needle, to improve the durability and safety of bridge structure. Fourth departments at or above the county level (including count