免费精品AB,亚洲日韩性欧美中文字幕,鲁丝无码一区二区三区,精品久久久久久成人AV,看av免费毛片手机播放,精品国际久久久久999波多野,又黄又爽又刺激又色的视频,亚洲无线码一区二区三区在线观看 



 


        




        



        

        



        

        

        

        
China's AC311A light utility helicopter tests firefighting capacity 

        

        
Source: Xinhua| 2019-07-30 16:55:20|Editor: huaxia

        

              
        

        

        

        

        

        
    

        Video PlayerClose
        

        

        

        


        

        A newly developed light utility helicopter of China has completed a test for its firefighting capacity. Find out how quickly it can put out a fire.
         

        

        

        
KEY WORDS: 

              
        

        


        

        


        

        

         EXPLORE XINHUANET 
        


        

        


              
        

 


        010020070750000000000000011102121382699041