The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采
金相法
析计算了亚共析钢拉拔变形中先共析铁素体应变。
The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采金相法析计算了亚共析钢拉拔变形中先共析铁素体应变。
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.
文章析了短芯棒拉拔管材时拉
的受力，并对拉的尺寸设计提供了析的依据。
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