1) Normalizing and tempering
正火回火
2) normalized tempering
正常回火
3) normalizaion
正火和高温回火
4) normalize tempering
正火回火处理
5) normalized and tempered steel
正火及回火钢
6) quenching and tempering
淬火回火
1.
The development and current application situation as well as achievements of heat treatment equipment in annealing,quenching and tempering,carburization and induction heating of bearing parts at home and abroad were discussed.
论述了国内外轴承零件退火、淬火回火、渗碳和感应加热等热处理装备的开发、应用现状和成果 ,提出了国内轴承热处理装备技术水平与工业发达国家之间的差距以及国内外轴承热处理装备今后的发展趋
补充资料：火正
1.古代掌火之官。 2.指仲夏。古以五行配四时，火旺于夏，故称。 3.指汉朝。
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