谁知道需要先下载一个什么软件，然后才可以上网下载pdf文件呢？xiexie.

来源: hellsimon 于 2012-01-17 17:13:37 [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.