static shot of industrial rooftop air cooling condensing units with spinning fans - 冷凝管 個影片檔及 b 捲影像00:11
sets of cooling towers in data center building. industrial cooling system, cooling tower, industrial air conditioning system - 冷凝管 個影片檔及 b 捲影像00:15
sets of cooling towers in data center building. industrial cooling system, cooling tower, industrial air conditioning system - 冷凝管 個影片檔及 b 捲影像00:12
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:20
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:15
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:16
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:16
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:16
sets of cooling towers in data center building. industrial cooling system, cooling tower, industrial air conditioning system - 冷凝管 個影片檔及 b 捲影像00:14
sets of cooling towers in data center building. industrial cooling system, cooling tower, industrial air conditioning system - 冷凝管 個影片檔及 b 捲影像00:18
sets of cooling towers in data center building. industrial cooling system, cooling tower, industrial air conditioning system - 冷凝管 個影片檔及 b 捲影像00:19
large aerial view of an air-conditioners rooftop of a large building construction site during sunset. (vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:12
large aerial view of an air-conditioners rooftop of a large building construction site during sunset. (vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:15
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:15
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:20
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:15
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:16
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:13
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:16
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:11
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:16
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:15
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:16
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
inside the dresden generating station, wide shot footage shows the emergency steam condenser. this tank holds cooling water which is used to remove... - 冷凝管 個影片檔及 b 捲影像00:12
large aerial view of an air-conditioners rooftop of a large building construction site during sunset - 冷凝管 個影片檔及 b 捲影像00:14
large aerial view of an air-conditioners rooftop of a large building construction site during sunset - 冷凝管 個影片檔及 b 捲影像00:09
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:14
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
the focus is on the air conditioner temperature gauge as a technician inspects the air conditioner and measures the amount of refrigerant inside. (vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:12
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:14
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:16
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:18
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:16
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
engineers are inspecting the air conditioning system and measuring the amount of refrigerant in the air conditioners in the building.(vdo 4k) - 冷凝管 個影片檔及 b 捲影像00:17
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:17
4k the chief engineer is supervising the workers cleaning the solar panels on the factory roof. - 冷凝管 個影片檔及 b 捲影像00:16