加拿大预测28在线预测官网开奖

简介：First, can the plate armor be made thinner? European plate armor at the same time was around 4mm, and some non-vital parts on the inside were only 2mm, which was delicate and close-fitting. Jianlu's firearms were not powerful, and the Ming army mainly protected against arrows, so the thickness of the plate armor could be slightly compressed. The thickness is reduced, and the weight is naturally lighter.