The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采用定量金相法分析计算了亚共析钢
拔变形中先共析铁素体应变量。
The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采用定量金相法分析计算了亚共析钢拔变形中先共析铁素体应变量。
The mechanical status of nutted rod in drawing pipe with short mandrel rod is analyzed, the analysis basis for the dimensions design of nutted rod offered.
文章分析了短
拔管材时
受力，并对尺寸设计提供了分析依据。
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