HD 一名穿着工作服，身穿反光橙色背心的人正在戴上工作手套。一名穿着工装裤的建筑工人。一名戴着防护手套的工人开始工作。选择性焦点 股票录像 一名穿着工作服，身穿反光橙色背心的人正在戴上工作手套。一名穿着工装裤的建筑工人。一名戴着防护手套的工人开始工作。选择性焦点 股票录像
HD Professional repairman or mechanic worker welds metal parts of old car using welding machine and protective mask in professional 股票录像 Professional repairman or mechanic worker welds metal parts of old car using welding machine and protective mask in professional 股票录像
4K Worker in protective mask welding metal construction welder doing joint between two steel details man parts of the detail together 股票录像 Worker in protective mask welding metal construction welder doing joint between two steel details man parts of the detail together 股票录像
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