“正火”的概念、定义、翻译、参考文献-科学参考

单词	正火
释义	正火 Encyclopedia 工学正火释 normalizing正火将工件加热至Ac3（亚共析钢）或Accm（共析钢和过共析钢）以上30～50℃，保温一段时间后，从炉中取出在空气中自然或强迫冷却（按工件大小和合金含量确定冷却方法）的金属热处理工艺。
随便看	preset aperture ring preset diaphragm presetting presheaf presheaf of abelian groups presheaf of groups presheaf of sets presheaf structure preshoot preshot pre-shrinking preshrunk Presidential-Libraries Presidential Records Act president of the People's Republic of China president-responsibility system under the leadership of Chinese Communist Party Committee Presidents Cup presidium of the National People's Congress presious metal nanomaterials pre-slotted liner presoak presoaking presolar grains presolar matter presolar nebula

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。