压下率：压下量Δh与轧件轧制前的高度H或轧制后高度h之比的百分数(%)，即Δh/H×100或Δh/h×100。它是表示轧制时高度方向相对压缩变形程度的变形参数。
... percentage 百分率、百分比 percentage of reduction压下率 percent（age）reduction压下率、压缩率 ...
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...第三期——论文摘要 关键词 ：凸度；楔形；压下率；再结晶温度；粘结 [gap=608]Key Words: convexity; wedge; relative draught; recrystallization temperature; sticking ...
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The experiment results show that the cold rolling reduction ratio has obvious influence on r-value of low-carbon aluminium-killed steel, but it has little influence on mechanical property and n-value.
结果表明，冷轧压下率对低碳铝镇静钢常规力学性能及n值无明显影响，而对r值有明显影响。
参考来源 - 压下率对冷轧深冲板性能的影响 The effect of cold rolling reduction on properties of deep stamping cold rolled sheet·2,447,543篇论文数据，部分数据来源于NoteExpress
精细片层区域的比例随着轧制压下率的提高而增大。
As the rolling reduction increases, the proportion of fine lamella increases.
在实验轧机上，应用铝试样实测了板宽、张力和压下率对前滑的影响规律。
The influences of plate width, tension and screwdown ratio on forward slip were measured using a.
借此方法研究了轧制油粘度、轧制速度与压下率对轧制变形区油膜厚度的影响。
The influence of the foiling oil viscosity and rolling speed and reduction rate on the film thickness are investigated with those methods.
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