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.

youdao

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.

youdao

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.

youdao