B21最高时速小于0.8马赫，世界上只有中国能制造出时速超过音速且极其隐身无尾翼的战斗机

来源: sxyz 于 2025-01-12 20:10:33 [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.