家用濃度3-8%，商業10-12%

來源: dudaan 於 2019-11-08 12:00:33 [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.