坦克工作原理 How does a Tank work_ (M1A2 Abrams) 是在优酷播出的资讯高清视频,于2021-02-17 21:33:30上线。视频内容简介:坦克工作原理 How does a Tank work_ (M1A2 Abrams)
The Department of Defense’s chief weapons tester is concerned the Army's M1A2 Abrams tank is getting too heavy. Here's how big it is.