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15 天
创纪录!YF-75氢氧发动机第400台试车成功
3月21日,YF-75氢氧发动机圆满完成第400台试车任务。YF-75氢氧发动机用于长征三号甲系列、长征七号甲、长征八号运载火箭,支撑了北斗全球组网、嫦娥探月、天问探火等160余次重大发射任务。该发动机也创造了我国氢氧发动机中单一型号生产台数、发射次数、服役时间的最新纪录。 返回搜狐,查看更多 ...
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