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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：他是我国第一枚数字化运载火箭“长征七号”的总设计师范瑞祥，“八年磨一箭”，“长征七号”背后，范瑞祥和无数航天人究竟经历了怎样的考验？对于“长征七号”来说，有太多的创新和纪录需要被铭记；对于“长征七号”幕后的航天人来说，有太多的故事不能遗忘。听“长七”总设计师范瑞祥分享“长七”成功背后不为人知的航天故事。收起
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