海伦子Hellen
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Starship星舰安全性的几点重要说明-再入大气层和逃逸机制
视频结合了挑战者号和哥伦比亚号的两次航天灾难，讲述了starship星舰reentry，再入大气层的风险，逃逸机制和隔热层的设计。
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