Ramp mainly used for a variety of precipitation and Desanding role .In the last 10 years to the drainage works in the most widely and become a water treatment device .It applies a wide range of treatment effect , covers an area of small advantages ,Desanding apply to the intake of general industrial and living water sedimentation ,sediment ,grease traps and Owari enrichment and other processing , that is applied to new construction ,also apply to the transformation of the existing old pool good access to good economic returns . | 
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