group of tanks

例句：

1. 1. The army has deployed a group of tanks to reinforce the border defenses.
   军队已经部署了一组坦克来加强边境防御。
2. 2. The tank group was ordered to move forward and engage the enemy in an attack.
   坦克组被命令前进并发起攻击。
3. 3. The tank formation demonstrated excellent coordination and maneuverability during the exercise.
   坦克队在演习中展示了出色的协调性和机动性。