你投不投无所谓，未来美国必建高铁！这是交通发展的必然方式。只要磁悬浮列车上800km/hr,美国必建

来源: 547788 于 2018-05-14 12:47:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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