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·应欧洲三国公路部门的邀请，以交通部，总工程师、公路管理司司长杨盛福为团长的中国公路高级考察团一行6人于1995年5月21日～6月11日对丹麦、德国、瑞士三国的公路工程技术进行了考察。丹麦的大桥工程技术及工程管理、瑞士的隧道施工技术及测量、德国的公路建设前期工作及环
At the invitation of the highway departments of the three countries in Europe, a delegation of 6 senior Chinese road experts headed by Yang Shengfu, director of the Ministry of Communications and chief engineer of the Highway Administration Division, gave a speech to Denmark, Germany, and Germany from May 21 to June 11, 1995 , Switzerland three countries highway engineering technology were investigated. Denmark’s bridge engineering and engineering management, Switzerland’s tunnel construction technology and measurement, the German road construction work and the ring