我個冷氣機唔係慳電果種....
如果我下午開左幾個鐘,then night 10點幾開到聽日8-9點幾
咁係唔係用電好多?咁係唔係一個月要交好多錢?
咁要怎樣開冷氣機先最慳錢?
收錄日期: 2021-04-23 18:39:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070525000051KK03339