hotflue

例句：

1. 1. The hotflue is responsible for the production of electricity.
   热风炉负责生产电力。
2. 2. The hotflue is a crucial part of the steelmaking process.
   热风炉是钢铁生产过程的关键部分。
3. 3.The hotflue is designed to efficiently convert coal into steam.
   热风炉设计用来高效地把煤炭转化为蒸汽。