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所属栏目：开讲啦
所属频道：CCTV-1高清
年份：2016
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简介：2016年11月3日20时43分，中国最大推力新一代运载火箭“长征五号”在中国文昌航天发射场首飞成功。当日发射时间几经推迟，从原定的18时延迟到20时43分，这惊心动魄的163分钟里，到底发生了什么？“长征五号”总设计师李东，他将为我们讲述“长征五号”发射背后的故事。收起
《开讲啦》 20161126 “长征五号”总设计师李东：十年磨一...
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