1) double normalizing
两次正火
1.
The processes of double normalizing had been studied in this paper to increase the low temperature toughness of 40Mn2 steel used for seamless cylinder.
用两次正火工艺提高高压无缝气瓶用４０Ｍｎ２钢的低温韧性，分析了晶粒、带状组织等组织变化与低温韧性之间的关系。
2) two time of high temperature normalizing
两次高温正火
3) two times tempering
两次回火
1.
It was more strength and more wearable after by new heat treatment process of two times tempering and dispersion hardening than original one time tempering method for hot extruding die steel 4Cr5MoSiV1.
4Cr5MoSiVl钢制热挤压铝模具两次回火、弥散硬化的热处理工艺,比旧的一次回火工艺,具有韧性好,耐磨性好的优点。
4) modified twice
两次修正
1.
The author summarizes the factors which affect the elastic modulus of 3-D braided composites and the cross model of the composites is modified twice firstly.
本文作者总结了影响三维编织复合材料弹性常数的因素,并首次对三维编织复合材料的交叉模型进行了两次修正。
5) secondary normalizing
二次正火
1.
The results show that secondary normalizing can remove the wustite structure and make grain refining.
通过对几种细化晶粒方法的比较,提出采用二次正火可细化晶粒并消除魏氏组织。
6) quenching+intercritical quenching+tempering(QLT)
两相区二次淬火(QLT)
补充资料：两火一刀
1."剡"字的隐语。指剡县。浙江嵊县旧名剡县，其地有剡山﹑金庭山诸胜。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条