能对B21性能做权威发言的只有美国国防部，不是一个外国政府的机构。

来源: Porcelana 于 2023-03-19 19:53:49 [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.