A furnace in which pig iron is converted into steel by the Bessemer process.
A furnace in which pig iron is converted into steel by the Bessemer process.
炼钢熔炉一种通过酸性转炉法将生铁练成钢的设备
A furnace in which pig iron is converted into steel by the Bessemer process.
炼钢熔炉一种通过酸性转炉法将生铁练成钢的设备