美国空军正在花大钱给B-2做升级，平均每架花$350M。每架B-2升级的钱可以买好几架新的F-35。见链接：

来源: 芭蕉树下的倩倩于 2024-07-30 14:56:52 [旧帖] [给我悄悄话] 本文已被阅读：次

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