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高晓松说的清明上河图也挺有意思，提到了虹桥的高科技叠梁拱技术。
lenovo2013
(超级大马蜂)
https://www.youtube.com/watch?v=I0e9J7HLK7g
(#11658512@0)
Last Updated: 2018-8-10
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我有个梦想，就是拿着放大镜好好地看看清明上河图里的每一个人在干什么。
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