automotive compressor system with running belt and hoses inside car engine during repair maintenance - 製冷劑 個影片檔及 b 捲影像00:12
car air conditioner compressor with belt and pressure hose during repair service in engine bay - 製冷劑 個影片檔及 b 捲影像00:14冷氣
close up of car air conditioner pressure gauge tool checking system in automotive repair service - 製冷劑 個影片檔及 b 捲影像00:13
hvac engineers team performs routine checks to ensure systems are efficient, safe, and reliable. - 製冷劑 個影片檔及 b 捲影像00:17
hvac engineers team performs routine checks to ensure systems are efficient, safe, and reliable. - 製冷劑 個影片檔及 b 捲影像00:15
hvac engineers team performs routine checks to ensure systems are efficient, safe, and reliable. - 製冷劑 個影片檔及 b 捲影像00:13
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:24
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:10
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:28
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:08
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:18
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:18
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:07
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:16
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:09
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:10
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:24
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:16
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:17
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:20
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:21
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:20
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:09
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:26
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:24
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:17
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:17
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:09
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:13
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:13
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:20
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:20
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:18
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:16
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:17
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:19
the technician is refilling the refrigerant and checking the level on the gauge - 製冷劑 個影片檔及 b 捲影像00:15
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:24
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:19
modern portable air conditioner providing outdoor comfort and ventilation with moving vents - 製冷劑 個影片檔及 b 捲影像00:04冷氣
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:16
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:17冷氣
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:16
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:12
auto mechanic monitor to check and fixed car air conditioner system in car garage. service car air conditioner in repair workshop. monitor tool on car engine ready to check and fixed air conditioner - 製冷劑 個影片檔及 b 捲影像00:16冷氣, 情緒壓力
engineers are inspecting the industry cooling tower air conditioner is water cooling tower air chiller hvac of a large building or industrial site. - 製冷劑 個影片檔及 b 捲影像00:12
engineers are inspecting the industry cooling tower air conditioner is water cooling tower air chiller hvac of a large building or industrial site. - 製冷劑 個影片檔及 b 捲影像00:10
engineers are inspecting the industry cooling tower air conditioner is water cooling tower air chiller hvac of a large building or industrial site. - 製冷劑 個影片檔及 b 捲影像00:10
engineers are inspecting the industry cooling tower air conditioner is water cooling tower air chiller hvac of a large building or industrial site. - 製冷劑 個影片檔及 b 捲影像00:09
engineers are inspecting the industry cooling tower air conditioner is water cooling tower air chiller hvac of a large building or industrial site. - 製冷劑 個影片檔及 b 捲影像00:07
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:08
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:10
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:24
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:23
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:21
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:18
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:17
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:16
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:16
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15
engineers is checking the industry cooling tower air conditioner is water cooling tower air chiller hvac of a major building or industrial facility. - 製冷劑 個影片檔及 b 捲影像00:15