液体火箭发动机必须自带液态氧，喷气发动机则从空气中吸氧，所以前者需要自带的燃料多，等量燃料前者航程短。

来源: 大观园的贾探春于 2024-06-13 12:41:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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