fire resisting period 中文意思是什麼
fire resisting period
解釋
抗火時效-
B we require the structural elements of a building to meet performance standards which are capable of resisting the effects of fire for a specific period of time according to the use and size of the building
二我們規定樓宇的結構組件必須符合性能標準,以便發揮耐火作用。耐火時間視乎樓宇的用途及體積而定。 -
We require the structural elements of a building to meet performance standards which are capable of resisting the effects of fire for a specific period of time according to the use and size of the building
(二)我們規定樓宇的結構組件必須符合性能標準,以便發揮耐火作用,耐火時間視乎樓宇的用途及體積而定。
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