美国无垂尾飞机有几十年的实践，研发六代机不会很难啊

来源: zillos 于 2025-08-07 20:30:43 [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.