哦，有印章就可以证明能发明印刷术了，维基上看来的？

来源: puyh 于 2019-08-29 13:33:01 [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.