年度培训计划简介：These four military towns respectively guarded the four portals of the dynasty, and the generals who were stationed here all had great military exploits and great reputations, and were called the Four Famous Generals of Heluo.
These four military towns respectively guarded the four portals of the dynasty, and the generals who were stationed here all had great military exploits and great reputations, and were called the Four Famous Generals of Heluo.
