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由西南公路科技信息网成员单位贵州省交通厅主办的“公路大跨径拱桥设计施工技术经验交流会”于1993年12月2日～6日在贵州省瓮安县召开。参加会议的除西南公路科技信息网成员单位的代表外，还有来自交通部、交通部公路科学研究所、广西自治区交通厅、陕西省公路局、其他公路科?
From December 2 to 6, 1993, Weng’an County, Guizhou Province, was convened by the Guizhou Provincial Communications Department, a member of the Southwest Highway Science and Technology Information Network, for the exchange of experience and experience in the design and construction of long-span highway bridges. In addition to representatives of member units of the Southwest Highway Science and Technology Information Network that attended the conference, there were also representatives from the Ministry of Communications, the Highway Science Research Institute of the Ministry of Communications, the Traffic Department of Guangxi Autonomous Region, the Shaanxi Provincial Highway Bureau, and other highway sections.