松开螺栓，调整光辊两端的的小搭钩，使之与卷棉平行。

Loose the bolt, adjust the small hooks on both ends until they are parallel to the cotton carrier.

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阐述了制粉工业历史上形成的“光辊表面是粗糙的无泽面”概念；

The historical conception "the surface of a smooth roll is rough and not glossy" was introduced.

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多年实践表明，采用末座光辊压榨机，对提高压榨效能是显著的。

For many years mill practice has shown that adoption of non-grooving roller in last rill can obviously increase the efficiency of milling.

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