heating furnace

例句：

1. 1. The heating furnace is used to heat the building.
   加热炉用来给建筑物供暖。
2. 2. He installed a new heating furnace in his house.
   他在房子里安装了一个新的加热炉。
3. 3. The heating furnace was the only source of warmth in the room.
   加热炉是房间里唯一的取暖来源。