gray cast iron

• 灰铸铁,灰口铁

gray cast iron的用法和样例：

例句

1. The different types of austenite in gray iron present different behaviours during the breaking process of the material.
   灰铸铁中不同类型的奥氏体枝晶在材料断裂过程中具有不同行为。
2. Globular microstructure of the semi-solid hypoeutectic gray iron was developed by the controlled casting.
   用控制铸造法获得了亚共晶半固态灰铸铁球状组织。