复式3中3的计算方法

简介：There are only five or six artillery pieces in Xiaoyuan Camp. Except for an old-fashioned Folang machine, the others are all squatting cannons with short range and low power. They are also located in three places. It is difficult to form a blocking force. If you want to really resist The attack by the elite troops living in the camp also relied on the power of the trenches.