蜜桃视频插满18在线观看-欧美性xxxx图片-亚洲日韩中文无码久久-性开放按摩bbwbbw视频-2021亚洲va在线va天堂va国产-国产乱妇4p交换乱免费视频-在线观看你懂得-爱吃波客今天最新视频-国产av无码一区二区二三区j-久久爱水蜜桃69-朋友的丰满人妻中文字幕-中文字幕www-日韩中文字幕一区二区-avav我爱av-亚洲综合憿情五月丁香五月网-中文字幕在线观看日本-色噜噜人体337p人体-av一卡二卡-青青草91-阿v视频免费在线观看

        Liu Zengliang, professor & doctoral supervisor and director of Research Center of Cyberspace Security, NDU, and Qin Jinhong, general director of CAAI, branch director of Operations Research Society of China and deputy president of the Department of Campus Affairs of Nanjing Army Command College, with other experts and leaders, visited us on August 10, 2017.

       They, accompanied by the leaders of our institute, visited lightning impact laboratory, extreme climate laboratory, electromagnetic compatibility laboratory, anti-earthquake laboratory, etc. and praised our general testing capacity.