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Logo of State Grid Corporation of China, hollowed out city cover background, green theme color, suitable for work report and work summary ppt template for electric energy and power company employees.
This is 20 beautiful and practical, the company develops the age cha...
20 sheets of elegant blue slide chart free package download;
This is a group of exquisite 3D stereo translucent PPT charts, a tot...
Translucent 3D cubes box background, PowerPoint chart download.
Four translucent 3D stereoscopic backgrounds, diffuse relationship P...
Two 3D stereoscopic translucent background, PowerPoint chart downloa...