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8 天
美国高超音速技术突破 「非低温液态火箭引擎」完成热火测试
今年1月,美国总统川普指示五角大厦探索「美国铁穹」(Iron Dome of America)的潜力,以应对下一代空中威胁。对此,「大熊座公司」(Ursa Major)认为,他们正研发的非低温液态火箭引擎,将是美国铁穹的技术关键。有趣 ...
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