Based on the actual investigation of oil distribution enterprises, this paper analyses the system requirements of Shell's oil supply chain business system, and develops it by using the idea of "top-down overall planning, bottom-up application development" of structural cycle method. The system analysis, system design and system implementation should be carried out, and detailed business flow diagrams, data flow diagrams and data dictionaries should be made.<br>Key words: oil distribution, oil supply chain, office automation<br>
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