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The elements of the cylinder in the slide background picture are cube ice cube, cylinder, water drop, etc.
Keywords: 3d cube cube ice cube cylinder still life PowerPoint background image, gray slide background
Colorful color bar simple and atmospheric widescreen ppt template. ...
PPT template suitable for education and teaching courseware populari...
Recycling energy, energy saving and environmental protection, enviro...
ppt design tutorials, 7 important habits for efficient design of ppt...
ppt background design tutorial, ppt beautification background design...
A ppt template of the analysis report of Ali partners and JD dictato...