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This is a set of court gavel background, legal knowledge lecture PPT template, a total of 27;
Keywords: court mallet, national emblem slide background image, judicial, lawyer, court PPT template, .PPTX format;
This is a simple steel notebook PPT background picture; Keywords:...
This is a vintage movie film PPT background picture
This is a black PPT background picture of exquisite film film; Ke...
Green fresh garbage classification PPT template，
These are six PPT background pictures with blurry and dynamic road; ...
This is a background picture of a love heart shape slide; Keyword...