复式4个数三中三多少组

简介：Although the area is full of trees, thorns, rocks, ravines, and steep mountains, and the Mongolians all lead their horses, it is not an easy task to open the road, but it is not impossible. With tens of thousands of Mongolians working together, they may be able to get out soon. There is a road down the mountain. Once that happens, the tactical significance of leading people to block the crossing will immediately disappear.