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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
下载 3 次
2019-02-01 09:00:00
Red halo party emblem background party and government PPT template
下载 7 次
2019-02-25 16:00:00
E-commerce PPT template with keyboard and currency symbol background
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2019-02-05 02:00:00
"Corporate Mission and Goals" training PPT template with checkered background
下载 752 次
2023-09-20 15:20:25
Green fresh cartoon trees and plants border PPT background picture
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2023-10-05 09:21:31
Simple blue and purple watercolor background universal business PPT template
下载 108 次
2023-10-05 09:18:53
Flowers and birds background classical Chinese style PPT template download
下载 901 次
2023-10-05 09:12:39
Simple and elegant classical trees background PPT template free download
下载 454 次
2023-10-05 09:12:34
Lantern Festival PPT template with lanterns and Lantern Festival background
下载 885 次
2023-03-06 13:46:30
Large picture background European and American magazine style PPT template
下载 98 次
2020-05-13 12:10:03
Five beautiful watercolor flowers and green leaves PPT background pictures
下载 1 次
2019-02-06 19:00:00
Green simple and fresh leaf background work plan PPT template
下载 3 次
2019-03-02 17:00:00
Two atmospheric party and government work report PPT background pictures
下载 3 次
2019-03-02 17:00:00
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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2019-02-15 08:00:00
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
下载 1 次
2019-01-15 09:00:00
Five retro literary and artistic flowers PPT border background pictures
下载 3 次
2019-01-22 20:00:00
Classical flower and bird painting background PPT template free download
下载 359 次
2023-09-20 15:20:26
General business PPT template with landscape and natural scenery background
下载 709 次
2023-10-05 09:23:20
Fashion blue and purple gradient background business report PPT template
下载 481 次
2023-10-05 09:23:15
Blue and purple gradient dynamic curve background fashion PPT template
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2023-10-05 09:23:01
Fresh and simple watercolor orange background PPT template free download
下载 340 次
2023-10-05 09:22:28
Double Ninth Festival PPT template with mountains and chrysanthemums background
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2023-10-05 09:20:52
Fresh and elegant artistic maple leaf background PPT template download
下载 579 次
2023-10-05 09:19:56
5 elegant watercolor plant branches and leaves PPT background pictures
下载 242 次
2021-02-22 13:10:02
Colorful and practical thank you for watching PPT background picture
下载 4 次
2019-01-22 17:00:00
Fashion feather background European and American magazine style PPT template
下载 1 次
2019-01-27 17:00:00
Fresh and elegant green plant background work plan PPT template
下载 2 次
2019-03-03 00:00:00
Two elegant lake and mountain natural scenery PPT background pictures
下载 1 次
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
下载 3 次
2019-03-12 05:00:00
Children's education and training PPT template with cartoon illustration background
下载 3 次
2019-02-14 11:00:00
Blue starry sky background science and technology business PPT template
下载 3 次
2019-01-19 16:00:00
Work report PPT template with blue and gray mountain background
下载 936 次
2023-09-20 15:20:24
Aviation logistics PPT template with blue and orange block background
下载 0 次
2019-01-23 09:00:00
Summer theme PPT template with cartoon leaves and flamingo background
下载 231 次
2023-10-05 09:23:26
Film and television media theme PPT template with film background
下载 349 次
2023-10-05 09:22:27
Illustration style queen and swan background Queen's Day PPT template
下载 158 次
2023-10-05 09:20:32
Blue technology PPT template download with earth and computer background
下载 211 次
2023-10-05 09:15:39
Summer Hello PPT template download with flowers and girl background
下载 447 次
2023-10-05 09:15:01
Classical PPT template download with meticulous flower and bird background
下载 74 次
2023-10-05 09:12:37
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