China's new self

  • 时间:
  • 浏览:4
  • 来源:大发棋牌网址多少_大发棋牌作弊器下载软件_大发棋牌官网

Three Zhi-20 (Z-20) helicopters participate in a demo flight during the 5th China Helicopter Exposition in north China's Tianjin, Oct. 10, 2019. A fleet of China's new self-developed Z-20 helicopters has made a demonstration flight at the ongoing helicopter expo in the city of Tianjin. (Xinhua/Li Ran)

1 2 3 4 Next Page Last Page



[ Editor: SRQ ]