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。
When this happens along a front, a roll cloud can form, often with air actually circulating along the horizontal axis of the cloud.
在这种情景发生之前，云卷往往可以形成与实际横向运动云的循环空气。
A method for roll angular error measurement of NC machine tool vertical axis was studied based on straightness measurement using laser interferometers system.
以激光干涉仪直线度误差测量为基础研究了数控机床垂直轴滚转角误差的检测方法。
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