ferrite nodular iron的用法和样例：
例句
- According to principle of damage mechanics, the damage characteristics of ferrite nodular cast iron under uniaxial stress has been studied through measuring electric resistance.
摘要根据损伤力学的基本原理，利用测量电阻的方法，研究拉伸受力状态下铁素体球墨铸铁的损伤力学特性。 - Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.
采用压痕法及扫描电镜观察，研究了抗磨贝氏体球铁中裂纹的形核与扩展。
