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00:15
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00:18
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00:19
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00:18
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00:20
air conditioning technician clean air conditioner for better home health. cleaning an air conditioner unit with a brush. air condition service and maintenance, fixing ac unit and cleaning the filters. - 冷凝管 個影片檔及 b 捲影像00:20
maintenance engineer inspecting large commercial hvac condenser units at industrial facility - 冷凝管 個影片檔及 b 捲影像00:05
hvac technician performing preventive maintenance on commercial cooling system - 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00:18
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
air conditioner units in metal cage with plants on a grassy sidewalk in the city - 冷凝管 個影片檔及 b 捲影像00:09
industrial technician in high-visibility jacket and hardhat uses laptop to monitor valves, actuators, and pipework. engineer points at equipment and reviews inspection data in mechanical plant room. - 冷凝管 個影片檔及 b 捲影像00:18
air conditioner units in metal cage with plants on a grassy sidewalk in the city - 冷凝管 個影片檔及 b 捲影像00:10
air conditioner units in metal cage with plants on a grassy sidewalk in the city - 冷凝管 個影片檔及 b 捲影像00:14
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:09
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:09
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:11
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:12
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:11
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:13
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:11
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:12
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:12
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:13
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:14
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:16
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:15
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:20
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:17
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:19
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 冷凝管 個影片檔及 b 捲影像00:29