并给出了实用计算公式与计算实例。
A practical formula and an example of calculation are also given in the paper.
从理论分析出发，得出切屑折断界限实用计算公式的结构。
In this paper practical calculation formulae of cuttings break limit are theoretically induced.
利用截面特性的近似值得出单角钢和双角钢构件的实用计算公式。
Using approximate section properties, practical formulas are derived for single and double angle sections.
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