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This is a PPT background picture of a construction engineer;
Keywords: Construction engineer holding blueprints, slide background picture, character PowerPoint background picture
This is a set of red and gray flattening work summary PPT chart Daqu...
This is a set of red and yellow combination of flat PPT chart, a tot...
This is a set of flat red gray business PPT chart Daquan, a total of...
This is a set of micro-stereoscopic, red ash company profile PPT cha...
This is a flattened style of blue-gray combination work report PPT c...
This is a set of micro-three-dimensional, blue business PPT chart Da...