close angle of gears moving in arched windows with broken panes. could be gothic or medieval cathedral, clock tower. - 齒輪 機件 個影片檔及 b 捲影像00:06時鐘
gear set 4k video animation loopable footage background. collection of gears - 齒輪 機件 個影片檔及 b 捲影像00:10
ecu. innovative 3d printer manufactures three-dimensional gear with intricate design work. - 齒輪 機件 個影片檔及 b 捲影像00:09
machine shop warehouse w/ men working. male operating large machine. man watching cogs turning, dripping oil. - 齒輪 機件 個影片檔及 b 捲影像00:08
florida, usa the first flight of a space shuttle. color footage shows the landing of the space shuttle columbia during the first shuttle mission in... - 齒輪 機件 個影片檔及 b 捲影像05:06
a close-up video of a group of metal gears spinning in a synchronized motion. vertical 3d animation - 齒輪 機件 個影片檔及 b 捲影像00:12
mechanic's hands tightening engine bolt with wrench during automotive repair and maintenance - 齒輪 機件 個影片檔及 b 捲影像00:04
spur gear manufacturing in a universal machine with gear cutter and cutting oil in the factory - 齒輪 機件 個影片檔及 b 捲影像00:16
colorful gears in motion symbolize communication and collaboration in a creative workspace setting. 3d animation - 齒輪 機件 個影片檔及 b 捲影像00:08
computer-aided design concept, with camera rotating around shiny metallic gears on a dark surface with triangular grid pattern and computer engineering code. - 齒輪 機件 個影片檔及 b 捲影像00:10
spur gear manufacturing in a universal machine with gear cutter and cutting oil in the factory - 齒輪 機件 個影片檔及 b 捲影像00:36
gears rotate inside human head . creative idea and thinking concept -loopable - 齒輪 機件 個影片檔及 b 捲影像00:10女人