先检查安装日期，如果八年以上就是寿终正寝啦，必须换新的。

来源: 瞎问瞎说于 2012-07-26 12:44:44 [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.