fire-control quadrant

例句：

1. 1.The firefighters are working in the fire-control quadrant to control the spread of the fire.
   消防员们正在火力控制区工作，以控制火势的蔓延。
2. 2. The pilot was instructed to stay in the fire-control quadrant during the emergency landing.
   飞行员被指示在紧急着陆期间待在火力控制区。
3. 3.The engineers were tasked with maintaining a safe distance from the fire-control quadrant.
   工程师们被分配了任务，要保持与火力控制区的安全距离。