extract ventilation 中文意思是什麼
extract ventilation
解釋
抽出通風- extract : vt 1 （用力）拔出，抽出。2 分離出，提取，蒸餾出，榨出。3 摘出（要點），引用。4 推斷出。5 【數學】...
- ventilation : n. 1. 通風，換氣（法）；通風裝置。2. 發泄，發表；（問題的）公開討論；訴諸輿論。
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For the remaining eight at - gradeoverhead stations ( tseun wan, kwai hing, kwai fong, ngau tau kok, kowloon bay, kwun tong, heng fa chuen and chai wan ), retrofitting of platform screen doors involves major alterations to the stations and tunnel ventilation, air - conditioning and smoke extract systems. since such at - gradeoverhead stations are not designed with air - conditioning and ventilation systems, retrofitting works are subject to technical constraints
至於其餘8個現時沒有月臺幕門的地面及高架車站（即荃灣、葵興、葵芳、牛頭角、九龍灣、觀塘、杏花?及柴灣） ，加裝月臺幕門系統須涉及重大工程，包括車站及隧道通風系統、冷氣系統及抽風系統等的大型修改工程。 -
The uk building regulations permit ventilation fans to be eliminated if trickle ventilators and passive stack extract vents are provided
英國建築規范允許在設有細流通風設備和被動式的煙囪排煙道的情況下，通風機可以不設。
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