您的浏览器禁用了脚本运行,请打开脚本在尝试!
关于pg游戏官网登录入口
手机版

扫描二维码,手机浏览

加入vip
微信公众号

关注微信公众号
获取更多前沿资料

地下坑道的军事应用概览(ppt)military applications of underground openings-pg游戏官网登录入口

地下坑道的军事应用概览(ppt)military applications of underground openings

浏览:150 发行时间:2020/10/11 21:14:00
文档下载
15.00 vip免费下载
  • 账号等级:vip3普通账号
  • 免费下载数量:0个
  • 优惠折扣:无 升级vip
支付后下载,请选择pg麻将胡了模拟器链接的支付方式:
文档信息
发行时间:2017.01.02
总页数:84
编辑:综保科技
摘要:
brief overview military applications of underground openings j. david rogers geological engineering university of missouri-rolla historic examples sappers used to penetrate medieval castles, resulting in perimeter moats crater tunnels excavated during american civil war and first world war sewer systems utilized by insurgents in warsaw ghetto during ww2 bataan peninsula redoubt ww2 german aircraft production moved below ground during ww2 historic examples underground pol storage at pearl harbo...
网站地图