以前航天飞机被人诟病说重复发射成本高也是每次要全清全检固体火箭和主发，还要重铺防热瓦等。

来源: pop4 于 2019-12-17 19:14:50 [旧帖] [给我悄悄话] 本文已被阅读：次

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