上面的滚轴，下面的滚轴。
Upper roller for cutting piece by side, spanners, keys.
可抬起切割工件的滑轮，扳手，钥匙。
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。
Circumvolve direction of roller is showed in the upper drawing in the right.
滚筒旋转方向如图右上视图所示。
Upper feed roller is driven simultaneously by the mechanical transmission mechanism.
采用机械结构传动，上滚轮可与机器同步运转。
Upper feed roller is driven simultaneously by the mechanical transmission mechanism.
采用机械结构传动，上滚轮可与机器同步运转。
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