那种侦查机美国六十年前就有了，叫做SR-71，见维基百科：

来源: Porcelana 于 2023-04-20 16:17:56 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.