长龙是什么意思?

简介：When the troops arrived at the gate of Gaizhou City, the Guan Ning cavalry in front immediately divided into two parts, and went around the east gate, west gate, and even the north gate of Gaizhou respectively, cutting off the connection between Gaizhou and other places, and at the same time, they were also wary of reinforcements coming from other places—— These are all necessary for the battle formation, and there is no need for Wu Sangui's orders at all.