亚洲аv天堂无码,久久aⅴ无码一区二区三区,96免费精品视频在线观看,国产2021精品视频免费播放,国产喷水在线观看,奇米影视久久777中文字幕 ,日韩在线免费,91spa国产无码

      1st bridge beam erected along China-Laos railway

      Source: Xinhua| 2018-12-02 15:23:15|Editor: Li Xia
      Video PlayerClose

      LAOS-VIENTIANE-CHINA-LAOS RAILWAY-CONSTRUCTION

      Technicians work at the construction site of the first China-Laos Railway T-shaped concrete beam in Lao capital Vientiane, Dec. 2, 2018. The successful erection of the first simply supported T-shaped concrete beam marks that the construction of China-Laos railway has been transferred from substructure to superstructure and it will become the milestone in the history of the construction of China-Laos railway, according to China Railway No.2 Engineering Group (CREC-2) . The operating speed of trains on the route is designed to be 160 km per hour. The railway is expected to be fully operational in December 2021. (Xinhua/Zhang Jianhua)

         Prev 1 2 3 4 Next  

      KEY WORDS: China-Laos
      EXPLORE XINHUANET
      010020070750000000000000011100001376459691
      主站蜘蛛池模板: 911国产在线观看精品| 麻豆亚洲精品一区二区| 欧美综合自拍亚洲综合图| 少妇bbwbbw高潮| 罗城| 久久久久亚洲AV成人网毛片 | 亚洲av色香蕉一区二区蜜桃| 中西区| 国产未成女年一区二区| 国产一区二区三区自拍视频| 国产婷婷精品av在线| 国产在线拍偷自拍偷精品| 国产优质女主播在线观看| 嫩草研究院久久久精品| 放荡少妇高潮喷水视频| 亚洲AV乱码毛片在线播放| 国产精品亚洲二区三区三州| 久久久久久国产福利网站| 自偷自拍三级全三级视频| 天堂网av最新版在线看| 道真| 国产精品亚洲ΑV天堂无码| av在线天堂成人av| 国产成人在线小视频| 精品久久黑人一区二区| 国产精品乱码一二三区 | 成人免费777777| 中文字幕av久久激情亚洲精品| 91久久国产精品视频| 欧美精品一国产成人综合久久| 手机看片AV永久免费无码| 中文无码制服丝袜人妻AV| 久久国产亚洲高清观看5388| 欧美熟妇喷潮xxxx| A级毛片视频免费观看不卡| 91精品日本久久久久久牛牛 | 精品欧洲av无码一区二区| 色综合色综合久久综合频道| 高清国产美女一级a毛片在线| 久久99精品久久久久久动态图| 亚洲精品国产福利片|