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“长征五号”首飞推迟 发射前一刻发生了什么

2016-11-04 07:14:38   央广网

长征五号运载火箭工程实现了我国液体运载火箭直径由3.35米至5米的跨越，填补了我国大推力无毒无污染液体火箭发动机的空白，代表了我国运载火箭科技创新的最高水平，为我国新一代运载火箭系列化、型谱化发展奠定了坚实的技术基础，是实现未来探月工程三期、载人空间站、首次火星探测任务等国家重大科技专项和重大工程的重要基础和前提保障。图为长征五号画面

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