消防花灑入水掣系統運作原理?
回答 (2)
2009-05-22 10:41 pm
✔ 最佳答案
正常情況下灑水頭出水處係被個玻璃塞頂住;遇到高溫如火警時...玻璃塞內的紅色液體蠟會膨脹而迫爆個玻璃塞!嘭一聲!跟住咪灑水囉!跟住就搞到一褲都係.....唉....而大廈消防入水掣係應長期24小時保持開動嘅狀態
2009-05-23 5:10 pm
there are four types which one you are talkin about wet pipe, dry pipe , deluge system and preaction system. they all function differently
收錄日期: 2021-04-13 16:37:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090522000051KK00590