Very thanks. I really don't know that before.作者: Nogard 時間: 2006-2-16 11:47 PM
之前聽過... 但....我好似冇理 =..=作者: jac4153 時間: 2006-2-17 12:53 AM
wa, like this one ar, sei lo.....作者: Azuma 時間: 2006-2-17 02:16 AM
Is it calcium carbonate?( i* h. p' F* m% F5 R/ H
if yes ............................% |$ j8 f: s8 `3 d- C
what is the problem ............? ! r$ \5 o' b2 o T6 L/ W( i0 o- c1.你包野都唔知係邊你點攞出黎 7 r+ ]2 }/ i( V4 N4 F3 N2.點解真係諗唔明.............caco3 +h2o > CAhCo3, v" b6 ?" j! w! S$ K0 Z
都唔係水............$ \; Z" n2 G" t& ^* Q; G
3.你係屋企開部抽濕機會唔會令室內濕氣增加?