钠离子和钠分子是两回事....分子的铊很难吃进去啊.盐容易一点啊.

来源: ca2004 于 2011-02-14 21:05:30 [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.