地盤做泳池,用heat exchanger加熱泳池水,but primary size 成100度stream過來,我secondary果邊就用upvc喉出大約28度.....但已經爆過2次喉啦,supplier明明話upvc喉到50度都冇事,咁係那裡出問題呀?
我指是小職員,但想知點解?
收錄日期: 2021-05-01 16:01:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080329000051KK00064