fire control line

例句：

1. 1.The soldiers were ordered to set up afire control line to prevent the enemy fromadvancing.
   士兵们被命令设置一个火控线，以防止敌人前进。
2. 2. The firefighters carefully maneuvered aroundthe fire control line to safely contain theflames.
   消防员小心翼翼地绕过火控线，安全地控制了火焰。
3. 3. The militaryengineers were tasked with constructinga fire control line that would protect thecity center from potential threats.
   军事工程师们被指派负责建造一条火控线，以保护市中心免受潜在威胁。