“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	percutaneous balloon mitral valvuloplasty percutaneous balloon pulmonary valvuloplasty percutaneous balloon valvuloplasty percutaneous endoscopic gastrostomy percutaneous heart valve replacement percutaneous left atrial appendage occlusion percutaneous neohrolithotomy percutaneous occlusion of atrial septal defect percutaneous occlusion of patent ductus arteriosus percutaneous occlusion of ventricular septal defect percutaneous renal biopsy percutaneous septal chemical ablation Percy Bysshe Shelley Percy Grainger Percy Report Percy Spender Percy Williams Bridgman Per Daniel Amadeus Atterbom per-diem payment Perdita P. Erdos P. Erdös P. Erdös (1913—1996) Perederi Peredvizhniki

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。