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２００１年１０月中旬，由甘肃省政府研究室和甘肃省交通厅组成的联合调研组，针对甘肃省在公路建设环境中存在的问题，赴陕西、云南和山东三个公路建设比较发达的省份进行考察。陕西、山东和云南三省的公路建设从“八五”初期就进入了大规模的建设阶段。１９９８年在国家实施
In mid-October 2001, a joint research group consisting of the Gansu Provincial Government Research Office and the Gansu Provincial Department of Communications visited the provinces where Shaanxi, Yunnan and Shandong were well-developed for the problems existing in the highway construction environment in Gansu Province Inspected The construction of highways in Shaanxi, Shandong and Yunnan provinces has entered a large-scale construction phase from the beginning of the “Eighth Five-Year Plan”. In 1998 in the country