追长龙最安全的方法是什么

简介：Hearing the word "cannon", no matter Li Zicheng who was stationed in the Chinese Army, Liu Zongmin who was supervising the front line, or Liu Fangliang, Dang Shousu and Yang Chengzu who were commanding the front line, everyone was shocked. The blunderbuss of the Beijing camp's officers and soldiers had already They suffered a lot. I wonder if the cannons brought by the Beijing camp soldiers are more powerful than those of Zuo Liangyu and others?