an electrician preparing new power supply electrical panel or board with circuit breakers and electric wires. - 供電箱 個影片檔及 b 捲影像00:20觸電
an electrician preparing new power supply electrical panel or board with circuit breakers and electric wires. - 供電箱 個影片檔及 b 捲影像00:12觸電
an electrician preparing new power supply electrical panel or board with circuit breakers and electric wires. - 供電箱 個影片檔及 b 捲影像00:10
an electrician preparing new power supply electrical panel or board with circuit breakers and electric wires. - 供電箱 個影片檔及 b 捲影像00:12
power substation with high-voltage transformers – key energy infrastructure at dusk - 供電箱 個影片檔及 b 捲影像00:08
portable power station: displaying charge, output, perfect for camping or emergencies - 供電箱 個影片檔及 b 捲影像00:06
close up: portable generator's digital display showing power output and battery level - 供電箱 個影片檔及 b 捲影像00:05
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:06再生能源, 大自然
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:19
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:10
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:06
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:17
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:16
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:13
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:10四K 解析度
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:10
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:07
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:15
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:10
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:08
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:06
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:08
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:08
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:05
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:13
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:11
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:11
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:09
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:08
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:08
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:12
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:23
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:11
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:07
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:06
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:08
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:13
woman power electric engineer working in windmill green power generator field. - 供電箱 個影片檔及 b 捲影像00:20
aerial view of harvested geometry shape of rice paddy field and farmer's village with solar panel generated electricity using in the agricultural field, environmental conservation - 供電箱 個影片檔及 b 捲影像00:31
aerial view of harvested geometry shape rice paddy field with solar panel generated electricity used in agricultural field, environmental conservation - 供電箱 個影片檔及 b 捲影像00:21
aerial view of solar panel-generated electricity used in agricultural fields, among harvested geometry shape of rice paddy farms, environmental conservation - 供電箱 個影片檔及 b 捲影像00:20
aerial view of harvested geometry shape rice paddy field with solar panel generated electricity used in agricultural field, environmental conservation - 供電箱 個影片檔及 b 捲影像00:21
aerial view of harvested rice paddy field with solar panel generated electricity using in agricultural field, environmental conservation - 供電箱 個影片檔及 b 捲影像00:21
aerial view of harvested rice paddy field with solar panel generated electricity using in the agricultural field, environmental conservation - 供電箱 個影片檔及 b 捲影像00:15綠色
aerial view of harvested geometry shape rice paddy field with solar panel generated electricity used in the agricultural field, environmental conservation - 供電箱 個影片檔及 b 捲影像00:11
asian chinese juice factory female worker showing inspector control panel operation - 供電箱 個影片檔及 b 捲影像00:18
high angle asian chinese foreperson showing his female manager around the factory - 供電箱 個影片檔及 b 捲影像00:27
asian chinese male maintenance engineer checking on factory control panel with digital tablet - 供電箱 個影片檔及 b 捲影像00:18