9个数复试二中二多少组简介：Three days later, on the eighth day of September, Wu Sangui finished arranging Ningyuan's defense. That night, he led 3,500 elite cavalry and quietly left the city, entered the pass and headed for Qinhuangdao.
Three days later, on the eighth day of September, Wu Sangui finished arranging Ningyuan's defense. That night, he led 3,500 elite cavalry and quietly left the city, entered the pass and headed for Qinhuangdao.
