flame collapse的用法和樣例：
例句
- In pool fire suppression tests it was observed that the fire extinguishment by flame cooling took a very short time, while extinguishment by surface cooling took a longer time.
在油池火滅火實驗中發現通過火焰冷卻滅火時所需時間較短，而依靠燃料表面冷卻滅火時則時間較長。 - If it is necessary to extinguish the flame in order to get to a place where the flow of hydrogen can be shut off, a dry powder extinguisher is recommended.
如果為了進入可以切斷氫氣流的地方而有必要滅火的話，推薦使用乾粉滅火器。
