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construction of a transformer substation. electrical engineer control wiring electric power on steel tower, electric construction and maintenance services throughout, electric power transmission infrastructure, highest voltage transmission
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animation of data processing over electricity pylons
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在可再生能源风电站讨论一些问题并阅读文件的两名白人男女工程师
一群多元文化人士在金融区抗议
construction of a transformer substation. electrical engineer control wiring electric power on steel tower, electric construction and maintenance services throughout, electric power transmission infrastructure, highest voltage transmission
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many high voltage electrical insulators in power substation against blue sky background
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construction of a transformer substation. electrical engineer control wiring electric power on steel tower, electric construction and maintenance services throughout, electric power transmission infrastructure, highest voltage transmission
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animation of statistics and data processing over electricity pylon and landscape
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animation of ecology icons over cityscape
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rays of energy fly through the ropes of an electricity pylon
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白人女性工程師戴著頭盔,在巨大的風車輪下使用筆記型電腦,觀看它工作和生產能量
兩個年輕的同學一起做學校項目
power station equipment
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road traffic and electricity pylons
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animation of triangle over landscape with electricity pylons
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vertical shot of students hands as they work on engineering project
bicycle mechanic
两名学童在做工程项目的近距离拍摄
construction of a transformer substation
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construction of a transformer substation
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在救護車上使用醫療裝置時, 靠近手
東京最美麗的景色
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couple of friends talking
一名年轻女子拿着环保板,而她的朋友则举起拳头抗议
low angle view looking up at power lines below a cloudy sky
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an engineering employee makes a tour and inspection of a modern electrical substation. energy.
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vertical shot of students hands as they work on group engineering project
两名男女工程师在日落时在巨大的风车<unk>轮机上谈话和工作
high voltage power transmission equipment
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戴頭盔的男人和女人在巨大的風車<unk>輪上討論一些事情
两名儿童正在构建电气机制的近距离拍摄
animation of data processing over pylons
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warning strobe light for helicopters and airplanes
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group of workers pouring molten metal in mold at workshop 4k
high voltage transformer against the blue sky. electric current redistribution substation
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兩個聰明孩子坐在辦公桌旁做項目工作
high voltage electrical substation
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電力發電廠的近距離拍攝
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两名学童在做学校项目时近距离拍摄
兩個聰明的小朋友在練習電氣工程的興趣
construction of a transformer substation
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animation of light bulb and data processing over electricity pylons
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一個人拿著裝飾式的火碗
construction of a transformer substation
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高級電柱, 室外, 日間
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colorful lightning and a power line tower
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animation of financial data over electricity poles at sunset
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风力发电机视频 06
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東京最美麗的景色
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road traffic in city at night with electricity pylons 4k
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