瑞士很多火車可以爬山,鐵軌是特殊設計的,像齒輪一樣扣住火車。
The steepest railway in the world Pilatus Railway, 48% max
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瑞士很多火車可以爬山,鐵軌是特殊設計的,像齒輪一樣扣住火車。
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