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CNC engraving woodworking carving industrial manufacturing concept. Automated milling machine cutting wooden workpiece from wood pulp making 3d model at technology exhibition factory - close up.

视  频 ID:  1061963089
版      权:  Zyabich
视频长度:  0:35
横纵比率:  16:9
所属分类:  科技 工业 
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