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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

长征五号是无毒无污染绿色环保型新一代运载火箭的基本型，火箭采用5米直径芯级，捆绑4枚3.35米直径助推器，全长约57米起飞重量约870吨，起飞推力超过1000吨。长征五号首次采用芯一级2台50吨级氢氧发动机与4枚助推器各2台120吨级液氧煤油发动机的组合起飞方案，10台发动机同时点火，实现了我国异型发动机起飞技术的重大突破。图为长征五号画面

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