<strike id="gegfc"><dl id="gegfc"></dl></strike>
<sub id="gegfc"></sub>


    

    <mark id="gegfc"></mark>
      



 


      




      



      

      



      

      

      

      
China's largest homemade slurry tunnel boring machine rolls off production line 

      

      
 Source: Xinhua| 2018-09-29 19:54:26|Editor:  ZX 

      

            
      

      

      

      

      

      
    

      Video PlayerClose
      

      

      

      CHINA-ZHENGZHOU-TBM (CN)
      

      China's largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of central China's Henan Province, Sept. 29, 2018. The machine has a diameter of 15.8 meters, making it the largest slurry TBM designed in China. (Xinhua/Feng Dapeng)
      

      

      

      


         Prev 1 2 3 4 Next  
      

      

      

      
 

      

      

      
KEY WORDS: boring machine

            
      

      



      


      

      


      

      

       EXPLORE XINHUANET 
      


      

      


            
      

 


      010020070750000000000000011100001375020981
         
中文字幕日韩无线码在线一区_制服肉丝亚洲中文字幕_日韩欧美无砖专区一中文字目_国产精品点击进入在线影院高清

      <strike id="gegfc"><dl id="gegfc"></dl></strike>
      <sub id="gegfc"></sub>
      

        

        <mark id="gegfc"></mark>
          
亚洲国产AV一区二区污污污
|
日本高清在线不卡中文字幕
|
香蕉久久精品精品
|
尤物国精品午夜福利视频
|
一本一本久久A久久精品综合
|
亚洲2020天天堂在线观看
|