state two reasons to account for the difference between the energy supplied by the heater and the energy absorbed by the water..???!!
唔該哂=]
好急架@v@
收錄日期: 2021-04-13 14:33:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071001000051KK03342