Rolling direction perpendicular to the plane of the bus for the straight line roller.
在垂直于滚动方向的平面内的母线为直线的滚道。
Auxiliary roller line and easy to work out.
前后的辅机辊道线便于工件的进出。
Adopt different speed equipment, automatic adjust upper roller line speed.
采用差速装置，自动调整上辊线速度。
Adopt different speed equipment, automatic adjust upper roller line speed.
采用差速装置，自动调整上辊线速度。
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