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?# X: y# O L8 _' t* b
if yes ............................ 9 n1 h9 e, q( T* T& T" M) Uwhat is the problem ............? 6 [; Y4 t: t; C) h8 E+ f1.你包野都唔知係邊你點攞出黎 4 A ~- Y' c6 n6 a2 Y2.點解真係諗唔明.............caco3 +h2o > CAhCo3: i4 o4 A" j1 L. X) \* d2 L/ _
都唔係水............4 t6 o" G0 o5 [2 h
3.你係屋企開部抽濕機會唔會令室內濕氣增加?