| be refined to become steel | 精炼成钢 (In the WORCRA process, blast furnace hot metal is refined to become steel as it flows through a launder-shaped furnace using sequential oxygen lancing and the countercurrent flow of slag. 在 WORCRA 连续炼钢法中，当高炉铁水流经一个槽形炉时，通过采用连续喷氧和炉渣的逆向流动，高炉铁水精炼成钢。) |
