Sperry 炮塔

热度 1 王晓 2016-10-18 19:04

1.The sperry Retractable Ball Turret（斯佩里可伸缩球形炮塔） The Sperry lower Retractable Ball mounted in the belly of the PB4Y-1, is the deadly and efficient defender of the bomber’s once soft underside. It was built especially for the PB4Y-1 whose ground ...

个人分类: 机器崛起|6129 次阅读|1 个评论 热度 1

本页有 9 篇博文因作者的隐私设置或未通过审核而隐藏