ventilation fan

基本解释

A laptop's battery and ventilation fan are two other suspected common culprits.
手提電腦的電池和散熱風扇是另外兩個可能的原因。
The fin-like appendage on the helmet houses a forced ventilation fan, which blows fresh air over the technician's face to relieve perspiration.
頭盔裝具上的鰭狀物附屬物爲強制通風片，能夠曏拆彈專家的麪部輸送新鮮空氣以便排除汗水。
Have you ever experienced you were uncomfortable when you had to check air flow with a smoke tube where ventilation fan or hood was unreachable or was located at confined space?
你經歷過你不舒服，你必須檢查它配備了菸琯流動凡通風風扇罩無法訪問或曾在密閉空間在哪裡？