亚洲国产精品自在在线观看|久久亚洲国产精品五月天婷婷|狠狠狠久久久免费观看|欧美激情中文字幕精品自拍

    <b id="ojcb4"><legend id="ojcb4"></legend></b>
    

    <b id="ojcb4"><meter id="ojcb4"></meter></b>
    • 

      


 


      




      



      

      



      

      

      

      
2019 Beijing Int'l Audiology Conference kicks off 

      

      
 Source: Xinhua| 2019-06-08 15:21:32|Editor:  Li Xia 

      

            
      


      

      

      

      
    

      Video PlayerClose
      

      

      

      CHINA-BEIJING-INTERNATIONAL AUDIOLOGY CONFERENCE (CN)
      

      A staff member introduces new products of hearing-aid devices at the 2019 Beijing International Audiology Conference in Beijing, capital of China, June 8, 2019. The 2019 Beijing International Audiology Conference kicked off here Saturday. (Xinhua/Lu Peng) 
      

      

      

      


         Prev 1 2 3 4 5 6 Next  
      

      

      

      
 

      

      

      
KEY WORDS: 

            
      

      



      


      

      


      

      

       EXPLORE XINHUANET 
      


      

      


            
      

 


      010020070750000000000000011100001381267971