车床床身

例句：

1. 1. The engineer designed a new car with an elegant carriage bed.
   工程师设计了一款拥有优雅床架的新车。
2. 2. The chassis of the car is made from high-quality steel.
   这辆车的车架是由高质量的钢材制成的。
3. 3. The chassis of the car is designed to be lightweight and durable.
   这款车的底盘设计得既轻便又耐用。