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长征五号B运载火箭首次飞行任务取得圆满成功
source link: https://tech.sina.com.cn/d/s/2020-05-05/doc-iircuyvi1450996.shtml
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原标题：长征五号B运载火箭首次飞行任务取得圆满成功据中国载人航天工程办公室消息，2020年5月5日18时00分，为我国载人空间站工程研制的长征五号B运载火箭，搭载新一代载人飞船试验船和柔性充气式货物返回舱试验舱，在我国文昌航天发射场点火升空
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