separate coal-supply system | 独立的供煤系统 (The coal is supplied to the blast furnace by two separate coal-supply systems: one feeding the 20 even-numbered tuyeres, the other feeding the 20 odd-numbered tuyeres. 使用两个独立供煤系统向高炉供煤:一个供煤系统向20个偶数风口供煤,另一个供煤系统向20个奇数风口供煤。) |