bainitic cast iron

例句：

1. 1.The bainitic cast iron is used in the manufacturing of heavy machinery.
   贝氏铸铁用于制造重型机械。
2. 2. Bainitic cast iron has excellent wear resistance and corrosion resistance.
   贝氏铸铁具有极好的抗磨损和耐腐蚀性。
3. 3. In order to improve the performance of the machine, the bainitic cast iron was replaced with a new material.
   为了提高机器的性能，用一种新型材料替换了贝氏铸铁。