进一退二法倍投法

简介：At dusk, the main force of the Jianlu troops entering the fortress appeared one after another at the foot of Sanhe City. First it was the central army led by Dorgon, and then the rear army led by Huang Taiji himself. The banners blocked the sun, and the spears were like a forest. The men and horses could not be seen. , the smoke and dust kicked up by the steps are almost drowning the setting sun.