hot-blast iron

基本解释

In his capacity as a chemist, he helped devise a hot-blast process for producing high-quality cast iron.
他还以化学家的身份，帮人设计了一个生产高品质铸铁的热鼓风工序。
A lower part heating chamber is formed in the hot-blast stove made from the sheet iron or other material.
用铁皮或其它材料制做的热风炉，炉内形成下部加热腔。
ip.com
The Chinese output of hot metal exceeded 200 million tons in 2003. Domestic and imported iron ores for blast furnace ironmaking are fifty-fifty.
2003年中国的生铁产量超过2亿t，作为炼铁原料的国产铁精矿和进口铁矿几乎各占一半；