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所屬欄目：開講啦
所屬頻道：CCTV-1高清
年份：2016
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簡介：2016年11月3日20時43分，中國最大推力新一代運載火箭“長征五號”在中國文昌航天發射場首飛成功。當日發射時間幾經推遲，從原定的18時延遲到20時43分，這驚心動魄的163分鐘裏，到底發生了什麼？“長征五號”總設計師李東，他將為我們講述“長征五號”發射背後的故事。收起
《開講啦》 20161126 “長征五號”總設計師李東：十年磨一...
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