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免費 電氣安全 視頻 - 頁面 2

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electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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workers in a marble factory
industrial machine control panel
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两个白人男女工程师戴着头盔谈论大风车<unk>轮机的后景
construction of a transformer substation
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homemade multi plug of construction site 4k
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戴着头盔和制服的白人女工程师在可再生能源风电站使用平板电脑,
supervisor reading work report outside secured hazardous location
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electric fumigator in an electrical outlet on the wall. slider shot
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電力儲存,近距離,沒有人-1
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close up of male film camera operator focusing lens on camera shooting movie or video in studio
turning on the boiler heating at home
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construction of a transformer substation
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woman finger turns on electricity switch and button is lighting
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construction of a transformer substation
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ai retro television sets with overlayed film glitch textures
慢慢地穿過一個開放的電動接頭盒
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man with yellow hardhat at the factory
electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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person charging electric vehicle
man with yellow hardhat at the factory
electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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industrial control panel with green light
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vertical video close up of person at home untangling electric power leads and connection cables for laptop or other electronic device
electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance with notebook in main power distribution system room.
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一位女士的手正在从木盒里拿出圣诞灯来装饰
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
一位戴着头盔的白人女工程师正在观看可再生能源风电站的一些蓝图
closeup of quantic control panel. selective focus
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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
animation of stop curruption sign board against network towers and sunset sky
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realistic 3d rendering of charging at electric charge station
慢慢地穿過醫院的牆壁, 滿滿了準備在病人身上使用的儀器
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a worker is switching on machines
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a device for killing mosquitoes in the house. electric fumigator
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機場周圍 32 公里
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一位戴着头盔的白人女工程师正在观看可再生能源风电站的一些蓝图
operator working on machinery
operator monitoring control panel
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high-voltage substation equipment under clear sky
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industrial control room operator
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industrial engineers inspecting electrical panel
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close-up of industrial control panels with illuminated buttons and meters
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救護車上有兩名醫護人員 2
man lifting marble piece
detailed view of a technical equipment interface showcasing glowing green toggle
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自動塑料袋生產機的操作
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智能儿童<unk>接电路板的近距离拍摄
person working on electrical panel
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