fire extinguishing system

例句：

1. 1.The fire department is responsible for maintaining the fire extinguishing system in the city.
   消防部门负责维护城市的灭火系统。
2. 2. The new fire extinguishing system has greatly improved the efficiency of firefighting.
   新的灭火系统大大提高了消防效率。
3. 3. The fire extinguishing system was designed to quickly extinguish large-scale fires.
   灭火系统被设计用来迅速扑灭大规模火灾。