CHENGDU, July 6, 2016 (Xinhua) -- File photo shows the Y-20, China's homegrown large transport aircraft. Y-20 officially joined the People's Liberation Army Air Force on Wednesday. (Xinhua/Chen Yifu)
CHENGDU, July 6, 2016 (Xinhua) -- File photo shows the Y-20, China's homegrown large transport aircraft. Y-20 officially joined the People's Liberation Army Air Force on Wednesday. (Xinhua/Chen Yifu)
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