Why do LOL soldiers sometimes beat one soldier and suddenly change to another?

Supplementary soldiers under the tower can be divided into long-range soldiers and melee soldiers. Ranger, you hit the tower once ~ you hit the tower once ~ok Melee hits the tower twice ~ You hit the tower once ~ok, but you should also pay attention to the attack power of the hero you use ~ For example, the mage sometimes needs to use skills to help replenish soldiers or look at the situation more ~ In short, the replenishment soldiers are flexible ~ They need to grasp the blood volume. ...