要闻 来源:新华网 时间:2022-04-25 12:26:40
4月24日,在航天科技集团六院航天液体动力展示中心,讲解员宋柱英(中)为前来参观的西安市航天中学学生讲解。
当日是第七个“中国航天日”,主题为“航天点亮梦想”。
新华社发(袁景智 摄)
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