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Geologist mining engineer tap a rock formation with a hammer. A man in a light-reflecting waistcoat gloves and a helmet. Against the background of outcrops of deposits of polymetallic ores.

视  频 ID:  30132253
版      权:  stasel'nik
视频长度:  0:29
横纵比率:  16:9
所属分类:  建筑 工业 
商业用途(模特授权书存在站酷海洛)

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