煲完既水, 放左係隻杯到2-3日發現有層油狀物.
嘗試過用其他杯,有蓋既杯都有此現象
反而水喉水放4-5日都無事,但有塵添係水上面
What is it?
How to form it?
How to solve it?
收錄日期: 2021-04-19 23:14:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100910000051KK01521