传统拆卷不具备备卷功能，工作过程中钢卷的上料、拆卷一次完成。
The traditional un coiler has no coil preparation function, and the coil loading and uncoiling process are conducted once.
每个拆卷机上，膜都是包裹在负载单元式卷轴上的，这样就能监测膜的张力，为电自动的闭环张力控制器提供反馈的信号。
At each unwinder the film wraps around a load-cell-mounted roller, which monitors the film tension, providing the feedback signal for electronic automatic closed-loop tension control.
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