low silicon cast iron

例句：

1. 1.This low silicon cast iron is used in the production of heavy machinery.
   这种低硅铸铁用于生产重型机械。
2. 2. The low silicon cast iron has excellent wear resistance and high hardness.
   低硅铸铁具有极好的耐磨性和高硬度。
3. 3.In order to improve the performance of the engine, engineers have developed a new type of low silicon cast iron.
   为了提高发动机的性能，工程师们开发了一种新型的低硅铸铁。