中大于挂倍投方案有没有用

简介：Huang Taiji paid special attention to firearms. He knew deeply that the weakness of Jianlu was in siege, and the most important thing to siege was artillery. Once there were powerful heavy artillery, the weakness of the Qing Dynasty would no longer be a shortcoming. When encountering the natural danger of the Ming army's giant city, the Qing Dynasty could also use giant artillery to bombard it.