singeing furnace

例句：

1. 1. The old stove was so old that it could not heat the room properly anymore.
   这把旧火炉太旧了，现在不能很好地加热房间。
2. 2.The fireman had to use a singeing furnace to get the fire under control.
   消防员不得不使用一个烧焦的炉子来控制火势。
3. 3. The engineer inspected the singeing furnace and found some cracks in the metal.
   工程师检查了烧焦的炉子，发现金属中有一些裂缝。