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3D printer. Working 3d printer close-up. 3d printer printing object from molten plastic. Printing prototype. New modern printing technology on 3D printer. Additive progressive technologies. FDM

视  频 ID：  1102635665
版      权：  Skoropadska Maruna
视频长度：  0:29
横纵比率：  16:9
所属分类：  科技 工业 
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