The principle of17rolls leveler, the structure of the roll stand, the adjustment steps of the lever and some suggestions on maintence are introduced.

介绍了17辊式矫直机的工作原理，辊系结构，矫直机的调试步骤及其维修保养。

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A lever (19) or another element which is preferably arranged so as to stand upright belongs to the thread sensor (18).

杆(19)或者另一个最好设置为竖直站立的元件属于纱线传感器(18)。

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Wolves' players complained to referee Mark Clattenburg that Varney had used an arm to lever himself above Hahnemann but the goal was allowed to stand.

BBC: Blackpool 2-1 Wolves