N300是多年前的東西，後來有N450，一直到1950.

來源: chinomango 於 2015-10-13 16:37:42 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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