single-gun tube

例句：

1. 1. The engineer used a single-gun tube to fire the projectile.
   工程师使用单管枪炮发射弹丸。
2. 2.The single-gun tube was a crucial component of the weapon system.
   单管枪炮是武器系统的关键部件。
3. 3.The single-gun tube allowed for precise targeting and control.
   单管枪炮允许精确瞄准和控制。