Oil quality will worsen after EH oil working course a period of time job,for instance: Acid value enhances , water share increases height , the chlorine ion contents increase by and so on. This all is to be harmful for EH system to work regularly , must handle process regenerating therefore. Be equipped with the regeneration filter that USA who has assorted entrance, that regeneration filter specific surface area is big , the ability choosing an adsorption is strong , adsorption speed is quick.

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