足部在其接合表面处具有轴向长度。
The foot portion at its engagement surface has an axial length.
内足部在其接合表面处具有轴向长度。
The inner foot portion at its engagement surface has an axial length.
结果表明预应力辊内、外表面处的应力幅值有了较大的降低。
The results illustrate that the values of stress at both inside and outside surfaces of prestressed pull-straightening roller are much lower.
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