各种版本万能四码

简介：In this era, firearms had not yet been promoted on a large scale. Neither the Ming Dynasty nor the Jianlu had experience in trench warfare with firearms. Tang Ruowang actually didn’t know much about it, but he had several examples of trench warfare in Europe and had basic knowledge of engineering. , Tang Ruowang's design is still beyond the knowledge of ordinary military generals and civil servants of the Ming Dynasty.