介绍螺旋分级机下部轴承的改造实践。

This paper introduces the lower bear's improvement of screw grader.

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对气流分级机的结构及工作原理进行了分析。

The structure and theory of air classifier was analysised.

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具有高效，节能并将逐步替代螺旋分级机作业。

It is highly efficient and energy saving, to gradually replace spiral classifier.

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因此，增加叶片长度可以改善分级机的分级效果。

So the increase in blade length can improve the classification of classifier.

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因此，增加叶片长度可以改善分级机的分级效果。

So the increase in blade length can improve the classification of classifier.

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