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上海世界博览会的各个参展国修建的国家场馆,所使用的建筑材料大多是利用人类废弃的垃圾合成的节能新材料,这给我们公路建设对混凝土的循环利用提供了一些有益的启示。
Most of the construction materials used in the construction of the national venues at the Shanghai World Expo are new energy-saving materials synthesized by human wastes. This provides some useful inspiration for the highway construction to recycle the concrete.