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免費 電器 視頻 - 頁面 2

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adjusting the volume with the left hand up and down
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a macro shot of a circuit board in vertical
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電腦電路芯片板的近距離宏圖
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两名儿童正在进行电气施工的近距离拍摄
modern industrial equipment for sewing in a clothing factory
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close-up view of camera internals
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在 pcb 上安装的辐射电解电容器的近视图
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close up footage of electronic parts on a pcb zoomed out revealing other parts and components
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用於吸煙或電子煙的 rda 噴霧器的線圈加熱
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兩個戴眼鏡的聰明現代孩子在做項目工作
zoom out shot of electronic components
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操作顯微鏡的科學家 02
在錄音工作室的音頻混音控制台的旋<unk>上有光線
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close-up of computer chip
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laser head and crocodile clamps on white background
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vintage technology exhibit
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一個小女孩在建造機器人
computer motherboard ram slut closeup
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水測試設備
兩個聰明的小朋友在家裡做學校項目
追蹤 pcb 上的元素
兩個聰明的小朋友在做工程學的學校項目
两名学童在做学校项目时近距离拍摄
a close-up view of a technician's gloved hand pressing the red power switch off on a black temperature control device
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燃料電池發電機 利用水素和空氣發電
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electronic parts on a pcb zoomed in and closeup and video were revealed
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电线在不同颜色突出一个接线盒, 模糊的背景, 焦点转移
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坐在沙發上使用手機控制機器人吸塵器的無形老人
a close-up view of a technician's gloved hand pressing the red power switch on a black temperature control device
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轉動在藍色電路板的強烈發光元件 2 周圍
close-up of a panel circuit board and zooming out of it revealing the rest of the parts
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兩個聰明的小朋友一起做一個有趣的項目
磁帶機械 4k7 電子磁帶
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兩個孩子白天在家裡做電子學校的項目
industrial control panel with operator
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computer systems made with ai
close-up of a circuit board with various components
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person playing videogames
慢慢追蹤電路板上的電路
a close-up view of a technician's gloved hand holding a soldering iron, working on a circuit board under a microscope
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兩個聰明的小朋友在練習電氣工程的興趣
clothing factory with industrial sewing machinery for textile material
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实验室杯子在真空室中
a close up and a zoom out of the terminal blocks on a circuit board
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integrated communication processor
keyboard switch assembly, crafting for precision and functionality
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zoom out shot of electronic components
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轉動在藍色 pcb 上的元件
macro shot of pcb of graphics card soldering points
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手動<unk>果<unk>皮機從<unk>子上剥皮的近距離拍攝
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