And the top priority, rolling skin is the most difficult thing.

擀皮是最难的事了，也是重中之重。

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The elongation control system of cold rolling skin pass mill was described; the speed feedforward control and feedback control in the control system were detailed explicated.

描述了应用于唐钢冷轧薄板厂平整机组的延伸率控制系统，对该延伸率控制系统中的速度前馈控制和延伸率反馈控制做了重点阐述。

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The third step is rolling dumpling skin.

第三步是擀饺子皮。

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Whitmore puts them at the top of her list for their proclivity to rolling around the plate and often hard-to-pierce skin.

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Unlike apes which spend much of their time picking dirt and lice off their skin and fur, elephant preening is more about rolling in mud than removing it.

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