水杨酸强酸or弱酸?
670330219
Sat, 30 Aug 2008 22:48:51 +0000
youcihou11|bq
# 1
527999091
Sat, 30 Aug 2008 22:50:55 +0000
也许是弱酸吧......
# 2
吾生行休矣
Sat, 30 Aug 2008 22:56:22 +0000
较弱
# 3
670330219
Sat, 30 Aug 2008 22:59:29 +0000
额
谢谢
# 4
CN_havoc卡曼奇
Sat, 30 Aug 2008 23:15:57 +0000
弱