1·The puddling of blast furnace plays an important part in iron and steel industry which is stanchion industry of country economic.
钢铁工业是国民经济的支柱产业，高炉炼铁是钢铁工业的重要组成部分。
2·Following constantly strengthen producing, demanding to coke's hot reactivity is also improved by puddling system.
炼铁系统随着高炉生产的不断强化，对焦炭的热态性能要求也逐步提高。
3·It goes without saying that it is meaningful for getting ideal producing technique index of puddling with blast furnace.
获得理想的生产技术指标对于高炉炼铁的意义不言而喻。