monotube boiler

例句：

1. 1. The new monotube boilerhas significantly improved the efficiency of our heatingsystem.
   新型单管锅炉显著提高了我们供暖系统的效率。
2. 2. The engineers are working ona monotube boiler design that will reduceenergy consumption.
   工程师们正在研究一种单管锅炉设计，以减少能源消耗。
3. 3. Themonotube boiler is used in industrial processesto heat large volumes of water orsteam.
   单管锅炉用于工业过程中加热大量的水或蒸汽。