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Trucks machine works in sand ballast quarry on summer day. Open quarry. Bulldozer at work at open pit mine. Quarry stone. Mining car machinery at open quarry

视  频 ID：  1095365159
版      权：  CreatorRuslanMikaielian
视频长度：  0:36
横纵比率：  16:9
所属分类：  物体 工业 
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