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校友用<unk>子压紧锡<unk>线的近距离拍摄
young caucasian man working at music recording studio
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cell tower in agricultural field
setting up equipment at a transformer substation. construction of a transformer substation
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man checking machinery
man and woman doing control at brewery
construction of a transformer substation
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tilt up view of men in hardhats repairing modern antenna transmitting data against sunset sky. vertical shot
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man lifting marble piece
testing the autopilot on a scientific bench. autopilot testing for agricultural machinery
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smart factory worker using machine in factory workshop
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兩個聰明孩子坐在辦公桌旁做項目工作
electrical engineers inspect the electrical systems at the equipment control cabinet
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quality construction takes good communication
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planning, building and construction worker talking
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electronic equipment repair shop. the engineer technician solders the printed circuit board of an electronic device under a microscope.
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scientist operating microscope controls in a laboratory setting
electrical engineers inspect the electrical systems at the equipment control cabinet
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blonde woman with yellow hardhat at the factory
cellular gsm tower with 3g, 5g transmitter. communication antenna. future technology. aerial view from drone
woman with safety yellow vest set with fingers parameters on wireless drone remote control
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白人男子和女子工程师戴着头盔和制服在决定可再生能源站的风车运营时交谈
young caucasian man working at music recording studio
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electrical engineers inspect the electrical systems at the equipment control cabinet
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戴眼鏡和頭盔的專注主管在工廠打電話
首席工程師在太陽能發電廠站立時在打電話
coal mine operator in control room
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農夫戴著帽子,在拿著平板電腦時在電話上說話
靠近兩名男子在通訊塔上工作,進行維修或維護
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工程師在農場裡走路時用手機說話 3
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train operator in blue uniform managing controls in locomotive cabin, dials and digital screens visible
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closeup of an electrician in work clothes checking the assembly of a street lamp with a cactus nearby
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person preparing food using a toaster oven
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female assistant film director wearing headset with clipboard checking script shooting movie or video scene in studio
man with yellow hardhat at the factory
electrical engineers inspect the electrical systems at the equipment control cabinet
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electrical engineers inspect the electrical systems at the equipment control cabinet
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engineers supervise the construction of a transformer substation
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專注於戴有線耳機的男性操作員,手持手機
风力发电机视频 06
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unrecognizable female drone pilot wearing high visibility vest vest holds and use remote controller outdoors in park
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收音机主播在混合器控制台上调整设置
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caucasian young beautiful woman architect or builder in the hardhat standing at the roof of the building site and using tablet device, tapping and scrolling.
musician performing with midi keyboard and laptop on a piano
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an engineering employee makes a tour and inspection of a modern electrical substation. energy.
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industrial control room operator
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沮喪的男性工程師在農場打電話
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白人工程師戴著頭盔在工廠打電話
一名穿着背心和安全头盔的工人在电话中讲话时,在物流公园组织一支卡车队
construction of a transformer substation
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