China's first big passenger jet C919 expected to be delivered in 2021: chief designer

          Source: Xinhua| 2018-03-10 13:04:37|Editor: Shi Yinglun
          Video PlayerClose

          (Source: Xinhua)???

          ?

          TOP STORIES
          EDITOR’S CHOICE
          MOST VIEWED
          EXPLORE XINHUANET
          010020070750000000000000011100001370293021
          无码人妻一区二区三区四区av_亚洲精品911在线永久观看_精品一区二区国产在线观看_日韩不卡一区二区视频在线

                  日韩精品a√在线 | 激情伊人五月天久久综合 | 亚洲国内自拍愉拍中文字幕 | 婷婷激情五月天在线视频 | 久久精品国产欧美日韩亚洲 | 色久国产第一页 |