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Round Vault Metal Door Opening Out Slow with Lock Mechanism Turning. Beautiful 3d Animation of Safe Door with Alpha Mask. Security Business and Technology Concept. 4k Ultra HD 3840x2160.

视  频 ID：  1024291301
版      权：  3dsilver
视频长度：  0:19
横纵比率：  16:9
所属分类：  商务 科技 
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