去查了一下，说是B2到2032年就退休了，会有B-21来代替。

来源: Francine 于 2025-06-24 14:59:33 [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.