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錢七虎：鑄就共和國“地下鋼鐵長城”

來源：新華社作者：李博發(fā)布：2019-05-31 16:11:49

錢七虎（中）與團隊成員在實驗室內交流（2018年12月27日攝）。新華社記者李博攝

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責任編輯：王俊

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