0.3x4200x(90-T)=0.075x1700x(T-20)
應該點調先可以搵到個T?
最好列個step出黎
收錄日期: 2021-04-18 17:25:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081130000051KK00812