921计划指的是什么

简介：Your Highness, Zhao Guangbo was a little puzzled. His face turned red and he held up his hands and argued: Huangyaguan city tower is strong and the road is steep. It cannot be easily captured by Jianlu. The defender of the royal city is also a brave man. As long as General Tong leads reinforcements. If we get there, we will definitely be able to keep Jianlu away!