说说而已

in cn •  26 days ago

澳大利亚将建时速1223公里的超级高铁,悉尼至墨尔本800公里只需40分钟。说的像真的一样,我颇不以为然,既无财力又无技术,意淫而已。17-36-29-20181228000746_48496.jpg

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据说建了一个过街地下通道用了2年,那么这么大规模的工程需要几年?