组三组六最简单的方法简介：The troops of Shanhaiguan Wu Sangui and other generals in Liaodong Town imitated the Qi Army's Four-Four system, forming regular troops and special troops, and using hot and cold weapons together with cavalry.
The troops of Shanhaiguan Wu Sangui and other generals in Liaodong Town imitated the Qi Army's Four-Four system, forming regular troops and special troops, and using hot and cold weapons together with cavalry.
