1. 點解冰屋要開有一個hole 係個頂到?
2. 用一支thermometer 計refrigerator ge power rate. 唔明點解話計到既value 係大過實際refrigerator 既power rate due to heat loss?
3. 人係37 度, 室溫係25 度, 人就有heat transfer to air. 但好似點transfer heat to air, air temperature 都唔change, 那些heat 去左邊?
收錄日期: 2021-04-13 13:32:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070917000051KK02864