steam supply

例句：

1. 1. The steam engine is used to power the factory.
   蒸汽机用来为工厂提供动力。
2. 2. The new model car has a larger fuel tank for better performance.
   新款汽车的油箱更大，以获得更好的性能。
3. 3. The steam supply system needs to be maintained regularly to ensure proper functioning.
   蒸汽供应系统需要定期维护，以确保正常运行。