炉腹

例句：

1. 1. The engineer inspected the furnace belly for any signs of wear and tear.
   工程师检查了炉膛是否有磨损的迹象。
2. 2. The fireman was called to repair the furnace belly after a power outage.
   在一次停电后，消防员被召来修理炉膛。
3. 3. The scientist conducted experiments on the furnace belly to study its thermal properties.
   科学家对炉膛进行了实验，以研究其热性质。