4K/眼镜蛇机动+360度翻转+音爆云/长春航展中国空军歼20逆天秀/4K/Cobra maneuver/Changchun Air Show Chinese Air Force J-20 show
4K/眼镜蛇机动 360度翻转/ 音爆云/长春航展中国空军歼20逆天秀/4K/Cobra Maneuver 360-degree Flip/ Sonic Boom Cloud/Changchun Air Show Chinese Air Force J-20 against the sky show