商不变规律公式

简介：After dozens of shield vehicles came the infantry formation of the Han Army Flag, with shield bearers in the front and archers behind. In order to prevent the Ming Army's artillery, the Han Army Flag's military formation was stretched very long and wide, with a gap of two meters between sergeants and sergeants. On the left and right, behind the military formation of the Han army flag, the Jianlu artillerymen pushed eight Fran machine guns and approached the high ground step by step.