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该文着重探讨在石油化工厂中利用引进的DE4800型油气回收装置,回收轻质油品装车系统油气的经济效益与社会效益.“,”This article emphasis on discussing the economic benefit and social benefit which utilize importable DE4800 type installation with paying out oil and gas in petrochemical works. paying out that light oil loading system pro- duce oil and gas.