是4个，本来定3个，后面发现弄错一个，只好又多加一个。

来源: deerrocks 于 2012-11-08 11:27:01 [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.