一位勤奋的现代商务人士在高峰时段走上现代城市中的楼梯，在紧急办公室工作。在他上班的第一个早上 免版税库存照片 一位勤奋的现代商务人士在高峰时段走上现代城市中的楼梯，在紧急办公室工作。在他上班的第一个早上
Close up details of industrial machinery pulley system with green belt and electric motor an extreme view showing the pulleys 图库摄影 close up details of industrial machinery pulley system with green belt and electric motor an extreme view showing the pulleys
Industrial tracked conveyor and screening machine working at city construction site near modern apartment buildings close up view 库存照片 industrial tracked conveyor and screening machine working at city construction site near modern apartment buildings close up view
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