fire barrage

• 炮火拦阻

fire barrage的用法和样例：

例句

1. If the machine gun, stopping the enemy frontally, is threatened by flankers circling toward it over dead ground, BAR fire is used to cover the corners and save the gun.
   如果负责正面拦阻的机枪受到敌人通过射击盲区对它进行翼侧合围的威胁，勃朗宁轻机枪的火力常常能封闭机枪的火力死角，拯救机枪组于危难之中。