low-pressure gun

例句：

1. 1.The low-pressure gun was used to fire a warning shot at the enemy.
   低压枪被用来向敌人发射警告射击。
2. 2.In the movie, the low-pressure gun was a crucial weapon in the battle.
   在电影中，低压枪是战斗中的关键武器。
3. 3.The low-pressure gun was used by the soldiers to protect themselves from the enemy's attack.
   士兵们使用低压枪来保护自己免受敌人的攻击。