亚洲综合中文字线观看看,中文欧美亚洲欧日韩一,2020年国产精品自线在拍,亚洲AⅤ日韩AV电影在线观看

      • 

      1. 

        <dfn id="lnb6s"><var id="lnb6s"></var></dfn>
          3. 


 


          




          



          

          



          

          

          

          
In pics: icebreaking experiment of China's polar icebreaker Xuelong 2 in Antarctica 

          

          
 Source: Xinhua| 2019-11-28 10:26:54|Editor:  zh 

          

                
          


          

          

          

          
    

          Video PlayerClose
          

          

          

          (EyesonSci) CHINA-XUELONG 2-ANTARCTICA-EXPEDITION-ICEBREAKING(CN)
          

          Staff members work at the navigation bridge of China's polar icebreaker Xuelong 2 during an icebreaking experiment in the waters in Antarctica, Nov. 26, 2019. (Xinhua/Liu Shiping) 
          

          

          

          


             Prev 1 2 3 Next  
          

          

          

          
 

          

          

          
KEY WORDS: 

                
          

          



          


          

          


          

          

           EXPLORE XINHUANET 
          


          

          


                
          

 


          010020070750000000000000011100001385893011