oil fired boiler

例句：

1. 1.The oil-fired boiler is the heart of our heating system.
   燃油锅炉是我们供暖系统的核心。
2. 2. The new oil-fired boiler has significantly improved efficiency.
   新型燃油锅炉的能效有显著提高。
3. 3. The oil-fired boiler was installed in the factory to provide hot water for the workers.
   在工厂安装的燃油锅炉为工人提供热水。