阶梯式倍投方案怎么做

简介：Eunuch Du Xun is also a famous person in the history of the late Ming Dynasty. In the 17th year of Chongzhen, Chongzhen sent eunuch Du Xun and other ten people to the fortresses such as Xuanfu, Datong, Changping, Juyongguan and other places to supervise the army. I thought that these eunuchs were loyal to the Ming Dynasty and would definitely He could urge the defenders from all over the country to fight bravely against the enemy. Unexpectedly, when the intruders arrived, these eunuchs surrendered one after another.