boiler fuel oil pump

例句：

1. 1. Theboiler is the heart of the heating system.
   锅炉是供暖系统的核心。
2. 2. The fueloil pump is responsible fordistributing the oil tothe furnace.
   燃料油泵负责将油分配到炉子中。
3. 3. The boiler andits fuel oil pump are essential components ofthe heating system.
   锅炉及其燃料油泵是供暖系统的关键部件。