回複：yes, the top one became black because the water level was too

來源: 2009999 於 2012-10-08 19:55:48 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (44 bytes)

回答: yes, the top one became black because the water level was too lo 由 borisg 於 2012-10-08 17:18:25

請問，如何才能保證熱水器中的水位一直是滿的？

您的位置：文學城 » 論壇 » 投資理財 » 回複：yes, the top one became black because the water level was too