reserved boiler

例句：

1. 1.The engineers have designed a reserved boiler to meet the high demand for energy in the region.
   工程师们设计了一款预留式锅炉，以满足该地区对能源的高需求。
2. 2.The reserved boiler is capable of producing steam at a much higher pressure than traditional boilers.
   预留式锅炉能够产生比传统锅炉更高的蒸汽压力。
3. 3. The reserved boiler has been proven to be more efficient and cost-effective than other types of boilers.
   预留式锅炉已被证明比其他类型的锅炉更高效、更经济。