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並前往https://www.reddit.com/r/askscience/comments/7xzfhe/why_dont_they_use_jet_engines_for_the_first_stage/

Why don't they use jet engines for the first stage of rockets?

First stages of larger rockets typically burn something like 500 kg to 1000 kg of fuel every second, roughly 1/3 of that as oxygen.

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