三期必出最少出一期

简介：In history, Jianlu invaded the fortress six times. They passed through Tongzhou in the second and eleventh years of Chongzhen, but they did not attack Tongzhou twice. Firstly, the Ming Dynasty attached great importance to Tongzhou and defended it with heavy troops each time. Secondly, Jianlu did not attack the fortress. Both times they just looted the outside of Tongzhou City and then passed quickly.