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When the forward slip difference is large, the influence of velocity difference is small and workpiece is easily bent…
前滑差小时，速差起主导作用，轧件易往小辊或慢辊侧弯。
The computation results showed that the effect of density differences when velocity of flow was small was obvious to the boundary of laminar flow in the elevation difference pipeline.
结果表明，在大落差管道，流速不大的情况下，密度差对层流边界层影响比较明显。
When the varieties of R range from 0.63 to 1.08, it doesn't affect remarkably on even dimensionless temperature difference and velocity in workaround.
当R在（0.63~1.08）范围内变化时，工作区平均无因次温差、风速没有显著变化。
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