美電磁軌道炮試射成功 速度達音速六倍 Written by ch3219168. Date of post: 03/22/2016. Leave a comment Posted in TV Series Tagged 美電磁軌道炮試射成功 速度達音速六倍Leave a comment 美電磁軌道炮試射成功 速度達音速六倍 by CHNNEWZ