gun tube

• 炮管

gun tube的用法和样例：

例句

1. The shell exploded in the barrel of the gun.
   炮弹在炮管内爆炸了。
2. Two different calibre gun barrels are provided.
   套件中提供了两种炮管。
3. Italian inventors have been experimenting with mounting large numbers of gun barrels in one frame.This example features 36 mounted on a wagon much like the standard ribault.
   意大利军械专家们潜心钻研如何将更多炮管安置于同一炮身，最终研制成功三十六管火炮。