特拉華河大橋

透過世界最長懸索橋連線費城和卡姆登

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大眾科學 Magazine Vol 133 Issue 2This article was originally published with the title “The Delaware River Bridge” in 大眾科學 Magazine Vol. 133 No. 2 (), p. 102
doi:10.1038/scientificamerican0825-102
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