两组7码必中一组方法简介：In addition, there were not many artillery pieces in the army, making it difficult to carry out a covering bombardment. From 250 to 100 steps, only more than a hundred bandits fell under the artillery fire in the army.
In addition, there were not many artillery pieces in the army, making it difficult to carry out a covering bombardment. From 250 to 100 steps, only more than a hundred bandits fell under the artillery fire in the army.
