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Foreign high-rise modern city and bridge PPT background picture
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2019-02-17 14:00:00
Two elegant PPT background pictures of snowy trees and snowflakes
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Image Tricks Lite for mac
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Flowers and birds background classical Chinese style PPT template download
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Simple and elegant classical trees background PPT template free download
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Lantern Festival PPT template with lanterns and Lantern Festival background
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Large picture background European and American magazine style PPT template
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Five beautiful watercolor flowers and green leaves PPT background pictures
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Green simple and fresh leaf background work plan PPT template
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PPT background pictures of business figures in shirts and suits
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2019-02-19 01:00:00
European and American sunset coastal city buildings PPT background picture
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2019-02-14 16:00:00
Green fresh and soft bamboo background art design PPT template
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Colored polygon and gray building background work summary PPT template
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2019-03-07 04:00:00
Fresh and beautiful vector floral background art design PPT template
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2019-01-30 05:00:00
Blue cool halo and dynamic gesture background technology PPT template
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2019-01-15 09:00:00
Five retro literary and artistic flowers PPT border background pictures
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2019-01-22 20:00:00
"The image and properties of linear functions" linear function PPT courseware 2
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Atmospheric fashionable yellow and black color dots and lines space PPT template free download
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Classical flower and bird painting background PPT template free download
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General business PPT template with landscape and natural scenery background
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Fashion blue and purple gradient background business report PPT template
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Blue and purple gradient dynamic curve background fashion PPT template
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Fresh and simple watercolor orange background PPT template free download
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Double Ninth Festival PPT template with mountains and chrysanthemums background
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5 elegant watercolor plant branches and leaves PPT background pictures
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Colorful and practical thank you for watching PPT background picture
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2019-01-22 17:00:00
Fashion feather background European and American magazine style PPT template
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2019-01-27 17:00:00
Fresh and elegant green plant background work plan PPT template
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Two elegant lake and mountain natural scenery PPT background pictures
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2019-02-13 05:00:00
European and American business PPT template with colorful polygonal background
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2019-01-10 21:00:00
Natural scenery PPT template with magnificent mountain and river background
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2019-01-21 08:00:00
Tranquil night sky background European and American simple PPT template
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2019-03-09 22:00:00
Female fashion PPT template with European and American supermodel background
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2019-02-14 08:00:00
Technology PPT background picture of blue light and shadow effect
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2019-03-12 05:00:00
Children's education and training PPT template with cartoon illustration background
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2019-02-14 11:00:00
Blue starry sky background science and technology business PPT template
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Work report PPT template with blue and gray mountain background
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Aviation logistics PPT template with blue and orange block background
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