快三回本计划简介：The Shenji Battalion was the first Ming Dynasty unit to come into contact with Western aiming methods. They should be familiar with Western aiming methods, but the gunners in front of them still relied on visual inspection and experience.
The Shenji Battalion was the first Ming Dynasty unit to come into contact with Western aiming methods. They should be familiar with Western aiming methods, but the gunners in front of them still relied on visual inspection and experience.
