large caliber

• 大口径

large caliber的用法和样例：

例句

1. But under the condition of large energy and long pulse the plasma arc may fill the flashlamp bore.
   但在大能量长脉冲放电情况下，大口径氙灯的等离子体也可以充满内径。
2. The development of automatic ammunition handling systems enabled large calibre guns to develop remarkable rates of fire.
   自动供弹系统的研制成功大大提高了大口径火炮的射速。