粉煤喷吹设备(In addition, the relative cost of coal would be significantly lower than the cost of coke it replaced. This led to the decision late in 1991 to install pulverized coal injection (PCI) equipment for all of Inland's blast furnaces. 此外，煤的相对费用远远低于它所替代的焦炭费用。有鉴于此，于1991年年底决定在内陆钢公司所有的高炉上安装粉煤喷吹设备。)
粉煤喷吹系统(The investment will be used to complete facilities under construction, including a pulverized coal injection system at the No.4 blast furnace, as well as a galvanizing line and other renovations to rolling mills. 这项投资将用于完成一些在建的设备，包括4号高炉的一套粉煤喷吹系统、一条镀锌生产线和轧机的更新改造。)