阶梯式倍投法有用吗简介：After the craftsmen dispersed, Zhu Cixiang looked at Chu Xianzhang and said calmly: Firearms are the backbone of our Ming army. The eunuch in charge of the firearms factory must be a smart, vigilant and knowledgeable person.
After the craftsmen dispersed, Zhu Cixiang looked at Chu Xianzhang and said calmly: Firearms are the backbone of our Ming army. The eunuch in charge of the firearms factory must be a smart, vigilant and knowledgeable person.
