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This is a set of simple and flat PPT templates with a beautiful blue light background, a total of 24.
Keywords: dynamic dotted line earth, cool light spots, light spot slide background pictures, white thin line PowerPoint charts, concise
The 19th National Congress of the Communist Party of China is a very...
Keywords: sea, yacht, European and American street slide background ...
Keywords: cartoon pencil paper slide background image, gray yellow w...
Keywords: exquisite tea point slide background image, green flat Pow...
Keywords: Sinopec, Sinopec work summary PPT template, dynamic oil in...
Keywords: color note slide background image, dynamic color flat Powe...