The ironmaking is the first important process in iron and steel production, and the distributor chute is a major component of non-bell top blast furnace.
炼铁是钢铁生产的第一个重要环节，高炉布料溜槽是无料钟炉顶高炉的布料装置，也是高炉中的一个重要部件。
2
The major criteria for evaluating blast quality should be considered in terms of surrounding environment.
平价爆破质量的主要标准应根据爆区周围环境来考虑。
3
The cut is major factor to affect tunnel blast. The movement process of rock pieces in cut cavity is a theory base for cut blast mechanism and the parameter design.