• 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


    谢谢

  • # 4

    CN_havoc卡曼奇 Sat, 30 Aug 2008 23:15:57 +0000