世界唯一能「旋轉翻身」的吊橋!15分鐘吊起4艘重船 耗資6億打造功能超強大
Saturday, July 14, 2018 by JSDN
蜀道難,然後天梯石棧相鉤連;南北遠,長江大橋使天塹變通途。人們利用天梯,石棧,大橋的連接作用,將「可...
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Saturday, July 14, 2018 by JSDN
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