焊工在工作。焊工，金属，钢，焊接，建筑，火花，面罩，气体，工厂，工业设备，安全，维修，管道，头盔 库存例证 焊工在工作。焊工，金属，钢，焊接，建筑，火花，面罩，气体，工厂，工业设备，安全，维修，管道，头盔
Industrial welders at work two welders wearing protective gear expertly weld metal beams the sparks fly as they work a scene 皇族释放例证 industrial welders at work two welders wearing protective gear expertly weld metal beams the sparks fly as they work a scene
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