对比了几家，kitco 公司最好，美国同学可以网上购买

来源: mandike 于 2012-01-08 11:10:02 [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.