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        The traditional manufacturing industry composed of a large number of manual labor will lose its previous advantages and face various new problems under the background of industry 4.0 and the promotion of science and technology
        

        

        

        
		
        
	
	
			
        
						
        


        
		
        
	
	
	
		
	
		
	
        
	
        
 
	





        

	
	
	
	
	
        

		
	  
		
  
        

  
  
  
  
	
	
  
        

	  
	  
	  
	  
	  
	  	  
	  
        
	  	
        

        

        

        

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