China-Mongolia Joint Army Exercise Steppe Partners-2026 Live-Fire Tactical Training 中蒙“草原伙伴-2026”陆军联合训练实兵实弹 #ChinaStands #亮剑 #PLAChina Stands @ChinaStands · 2026-06-15你的浏览器不支持视频播放。0:00 / --:--