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Introduction: Desk lamps, stereos, books, water cups, green plants, clocks, office computers and other business office desktop items, vector cartoon style design, simple and flat style, suitable for business general ppt templates for business work summary, work report and other scenarios.
Introduction: Beijing Technology and Business University thesis defe...
Introduction: mid-year summary plan ppt template, catalog: mid-year ...
Introduction: Elegant, fresh and green rough paper background, leave...
Introduction: Homeland theme ink landscape painting, cranes, ponds, ...
Introduction: Elegant gray low triangle background, rounded square, ...
Introduction: PPT template for the defense of joining the party, cat...