點解地鐵仲用Bromotrifluoromethane (BTM) 救火?
點解唔用Trifluoroiodomethane,佢毒性低咁多,造成溫室效應既機會又低咁多?
收錄日期: 2021-04-13 15:36:35
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080525000051KK01175