3d怎么算下期跨度方法

简介：During the fierce battle during the day, due to the restrictions of rafts and shoals, the places that Jianlu could choose to cross the river were actually limited. Although it was difficult for the Ming army, they could still defend. However, it was different now. When the river was frozen, they were everywhere. At the river crossing point, Jianlu's tens of thousands of troops stepped onto the river together at almost the same time and crossed the river together.