The speed reducer upper on the main machine makes central axis rotate through shaft coupling and roller hanger rotates with central axis and rollers on the hanger roll around the inside of ring.

安装在主机顶部的减速机，通过联轴器连接中心轴旋转，中心轴带动磨辊吊架旋转，磨辊装在吊架上沿磨环内周一起滚动。

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What the FW motion equation describes is the coupling ratio of the motion speed of the model and payout.

FW运动控制方程所描述的是丝嘴和芯模的速度耦合关系。

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Speed regulating hydraulic coupling has a good power saving effect and has been borne out by many cement plants.

调速液力偶合器是一种有良好节能效果的偶合器，已被多家水泥厂所证实。

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The devices help pilots avoid "terrain" by coupling global-positioning technology with flight data on speed, altitude and other readings, and a database containing the topography of the planet.

FORBES: Cockpit Fight