chilled cast iron wheel

例句：

1. 1.The car's wheels were made of chilled cast iron, which made it run smoothly.
   这辆车的轮子是由冷却过的铸铁制成的，这使得它运行得非常顺畅。
2. 2. The old truck had been in use for many years, and the wheels were starting to get chilled cast iron.
   这辆旧卡车已经使用了多年，轮子开始变冷铸铁了。
3. 3.The engineer carefully inspected the chilled cast iron wheels before installing them on the new car.
   工程师在安装新汽车的轮子之前仔细检查了冷却过的铸铁轮子。