4069.全长277.42公里，时速350千米，中国首条跨海高铁桥贯通

from 悠悠往事 · host 罗益峰

Episode metadata supplied by the publisher feed · Published Apr 7, 2023

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4069.全长277.42公里，时速350千米，中国首条跨海高铁桥贯通

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