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          国产精品视频免费一区二区_99久久精品日本一区二区免费_99久久久无码国产精品不卡_精品久久久久久亚洲综合网_亚洲国产精品久久久久久无码
          


          

          

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          Industry NewsMore>>
  
          
  
          
		
          
			
          
				
				
			
          
  
  
          
     
      Sol-depth analysis of how to follow the market
      
          Silica inorganic polymer coatings in recent years to develop. The key technology for preparing the paint is removed with a special water glass water-soluble sod……Detailed
          
			
			
          
  
  
          
    Points to note design metal stainless steel castings  
      Points to note design metal stainless steel castings
      
          Metal casting stainless steel design considerations and principles sand casting is basically the same. Since the metal itself is no concession type and permeabi……Detailed
          
			
			
          
  
  
          
     
      Reduce the impact of lost wax casting dimensions size deviation
      
          Long-term results of the measurements investment casting and casting size shows that in casting the longitudinal direction of the long 25mm size, the lost wax c……Detailed
          
			
			
          
  
  
          
     
      Stainless steel castings to achieve three objectives:
      
          Although China's stainless steel casting has made great progress, but it cast material quality, variety, quantity, in the overall level of technology and busine……Detailed
          
			
			
          
  
  
          
     
      Pressure casting
      
          Pressure casting mold is filled with molten metal and casting cavity formed under high pressure, high speed, in the course of their work and repeated contact wi……Detailed
          
			
			
          
  
  
          
    Note the use of the machine lost foam casting castings  
      Note the use of the machine lost foam casting castings
      
          Machine tool castings using sand casting lost foam or resin, when casting machine in the casting should note the following……Detailed
          
			
			
          
  
  
          
    Polished stainless steel casting surface  
      Polished stainless steel casting surface
      
          White spots appear related to the case, the company usually cast in the use of stainless steel, anodized film tends to occur after staining……Detailed
          
			
			
          
  
  
          
    Mechanical properties of gray cast iron  
      Mechanical properties of gray cast iron
      
          the organization and graphite gray cast iron mechanical properties and the matrix form related. Gray cast iron in the flake graphite matrix serious split in gra……Detailed
          
			
			
          
  
  
          
    Stainless steel casting history  
      Stainless steel casting history
      
          Origin of sol precision casting: Casting is the development of the ancient wax casting based on the up. As ancient civilizations, China is one of the countries ……Detailed
          
			
			
          
  
  
          
    Sol casting ion exchange method  
      Sol casting ion exchange method
      
          An ion exchange resin. Strong acid cation exchange resin styrene cation exchange resin; weak anion exchange resin refers to the use of alkaline styrene anion ex……Detailed
          
			
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