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.

文章分析短芯棒拉拔管材时拉杆的受，拉杆的寸设计分析的依据。

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亚共析钢拉拔变形中先共析铁素体应变量。