據(jù)央視新聞消息,被稱作“全球最快高鐵”的CR450動車組,正在滬渝蓉高鐵開展運用考核。從去年底樣車下線以來,它經(jīng)過一輪又一輪周考、月考、期中考,已經(jīng)交出了時速450公里的答卷,各項指標都已合格,但考試還在繼續(xù)。(東方視頻 丁一涵)
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