這就是為什麽B-21很順利地做出來，很順利地試驗成功，很順利地投入生產，而其他國家的第六代隱身戰略轟炸機還沒有影子。

來源: 大觀園的賈探春於 2024-04-27 06:52:36 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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