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美国载人版“龙”飞船完成首次试飞返回地球
source link: https://tech.sina.com.cn/it/2019-03-09/doc-ihrfqzkc2399926.shtml
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新华社洛杉矶3月8日电（记者谭晶晶）在国际空间站停留5天后，美国太空探索技术公司的首艘载人版“龙”飞船8日凌晨脱离空间站，并于6个多小时后顺利溅落在预定的大西洋海域，完成首次试飞任务。美国航天局的直播画面显示，“龙”飞船于美国东部时间8日2
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