B21在长波雷达面前也不隐身，对方多架战机组阵红外线搜索也是有可能被发现的。当年F117雷达隐身但被落后的萨姆2击落了

来源: 天青水蓝于 2025-10-24 11:53:03 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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