我国复用航天器关键部件研制成功
记者从中国航天科技集团一院获悉，4月11日，由该院研制的5米直径复合材料动力舱产品正式下架。这是国内航天领域重复使用运载器最大的复合材料整体舱段，其成功研制标志着我国大尺寸航天复合材料结构制造技术取得重大突破。
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