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鐵道“保姆”寒冬體檢高鐵大橋

2020-01-06 08:19來(lái)源：新華網(wǎng)

　　1月3日，中國鐵路濟南局臨沂工務(wù)段工程技術(shù)員李奔騰在沂河特大橋橋梁連接處檢查。新華社記者 朱崢攝

[責任編輯：李曉蕾]

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