中国隐形战斗机J - 20进行试飞。Photo provided by a netizen named "salute to the old brother" shows a J-20 stealth fighter is conducting a test flight in Chengdu, Southwest China's Sichuan province, Nov 19, 2011. |
中国隐形战斗机J - 20进行试飞。Photo provided by a netizen named "salute to the old brother" shows a J-20 stealth fighter is conducting a test flight in Chengdu, Southwest China's Sichuan province, Nov 19, 2011. |