cooled motor

例句：

1. 1. The new car has a cooled motor that can run for hours on end.
   这款新车有一个能持续运行数小时的冷却电机。
2. 2. The old steam engine was replaced with a cooled motor to improve efficiency.
   为了提高效率，旧的蒸汽发动机被一个冷却电机所取代。
3. 3. The engineer used a cooled motor to power the robot's arm.
   工程师使用了一个冷却电机来为机器人的手臂提供动力。