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      filtration
      
	
      英 [f?l'tre??n]
美[f?l'tre??n]

      


	    
      
	
        
    
      • n. 過(guò)濾；篩選
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      英英釋意
      
	
      
	
      1. the process whereby fluids pass through a filter or a filtering medium
      

      2. the act of changing a fluid by passing it through a filter