tapered roll

The roll system of duo mill or four-high mill has important even decisive effect to the work roll four rows tapered bearing full longevity and dependable usage.

二辊或四辊轧机的辊系，对工作辊四列圆锥轴承满寿可靠运行起至关重要甚至决定性作用。

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Frise type ailerons accompany the tapered design and allow for a high rate of roll, with large single slotted flaps, electrically controlled.

机翼上采用了弗里兹副翼（阻力副翼），电动控制，使得飞机能够在与大型开缝襟翼的配合下，实现很高的滚转率。

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