恐怕很難以杯記。有個時間問題，泡時間長，氟釋放到水裏的量就多。

來源: 瑞冬於 2013-04-05 13:12:31 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.