边防部队配备了先进的雷达系统来识别可能的入侵者。

The border troops use advanced radar systems to identify potential ___penetrators.

这些新型穿甲弹被设计用来突破敌方最坚固的防御工事。

The new armor-piercing ___penetrators are designed to breach the enemy's strongest fortifications.

这种新型穿透器可以轻松钻透混凝土墙壁。

These new ___penetrators can easily drill through concrete walls.