The inventor Henry Bessemer discovered that directing a blast of air at melted iron in a furnace would burn out the impurities that made the iron brittle.
发明家亨利·贝塞默发现，在熔炉里对熔化的铁直接吹一吹空气，就会烧坏使铁变脆的杂质。
They piled on great dead boughs till they had a roaring furnace, and were gladhearted once more.
他们把很多枯枝堆在一起，直到火焰熊熊燃烧，他们又高兴起来了。
As long as the economy continues to blaze, it is metallurgical coal imports that will be stoking the furnace.
只要经济继续增长，冶金煤的进口将不断添煤生火。
The coals were ashed in a furnace.
煤在炉子里被烧成灰烬。