motor sprocket

基本解释

It consists of motor, drive mechanism and the drum or sprocket composition, divided into two types of wire rope and chain.
它由电动机、传动机构和卷筒或链轮组成，分为钢丝绳和环链两种。
The frame on the back of the board is provided with a speed control motor which is provided with a shaft end with sprocket.
面板背面的机架上装有调速电机，其轴端装有链轮。
ip.com
The machine is the transmission system with motor as power that transmits drive through gear reducer, sprockets, and uses the rod on big sprocket that makes the focus of partial ship moving upwardly.
输送带煤流采样机是以电机为动力，通过减速器及链轮传递驱动力，利用大链轮上的挡杆使偏心轮重心上移的传动系统。

In their bid to simplify loading 35mm film, Kodak, Fuji and other photographic firms squared off the 35mm roll's lead-in tab—so a modern SLR's motor-driven loading mechanism could grab the film's sprocket holes and wind it automatically onto the take-up spool.
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