spheroidized cementite

例句：

1. 1.The steel was spheroidized to improve its strength and toughness.
   为了提高其强度和韧性，钢材被球化处理。
2. 2.The engineer used a special process to make spheroidized cementite for the machine parts.
   工程师使用特殊的工艺制造出用于机器部件的球状碳化物。
3. 3.In the manufacturing process, spheroidized cementite is often used as a wear-resistant material.
   在制造过程中，球状碳化物常被用作一种耐磨材料。