YouTube15 Mar 2023
4m

《了不起的工程·中国桥》EP5 amazing!超过两万吨的桥面就这样悬浮在高空之上!——赤水河红军大桥【CCTV纪录】

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《了不起的工程·中国桥》EP5 amazing!超过两万吨的桥面就这样悬浮在高空之上!——赤水河红军大桥【CCTV纪录】