The viaducts are arteries for urban traffic in Shanghai so they are of fundamental importance.
上海高架道路是城市交通的大動(dòng)脈,其地位十分重要.
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An empty freight train way over one of the numerous concrete viaducts near Tiekou station on - line.
一列空貨車行駛在成昆鐵路鐵口站附近的大型水泥橋上.
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