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[求助]
Per Tveit在土木工程桥梁届是个什么等级的任务，有多少土木的虫子认识他
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Since May 2005, his homepage (http://home.uia.no/pert) has had more than 10 000 hits. He have gone around the globe 4 times and have given lectures in more than 50 countries. Between 100 and 200 network arches have been built in around 25 countries. Got “King’s medal of merit” from King Harald of Norway in 2013. The longest span of a network arch is in Ob in Sibiria. President Putin opened the bridge. The idea came from his lecture in Moscow in April 2007. |
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