rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle - 齒輪 媒體機器 個影片檔及 b 捲影像00:16
rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle - 齒輪 媒體機器 個影片檔及 b 捲影像00:42
rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle vertical video - 齒輪 媒體機器 個影片檔及 b 捲影像00:31
rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle vertical video - 齒輪 媒體機器 個影片檔及 b 捲影像00:38
circa 1939-1945] nine waafs sit at table and work on movie cameras, three men stand behind them supervising / women stand at tubs turning levers /... - 齒輪 媒體機器 個影片檔及 b 捲影像00:46第二次世界大戰, 女人
slo mo unrecognizable person uses a special tool to clean a chain and a front sprocket - 齒輪 媒體機器 個影片檔及 b 捲影像00:23
slo mo unrecognizable person uses a special tool to clean sprockets on a rear wheel - 齒輪 媒體機器 個影片檔及 b 捲影像00:27
mechanic repairs the gearbox of a car in a garage in milan, italy on march 27, 2020. - 齒輪 媒體機器 個影片檔及 b 捲影像00:34
mechanic repairs the gearbox of a car in a garage in milan, italy on march 27, 2020. - 齒輪 媒體機器 個影片檔及 b 捲影像00:29