blast furnace throat

例句：

1. 1.The blast furnace throat is the critical areawhere the molten iron flows intothe furnace.
   高炉喉部是熔融铁流入高炉的关键区域。
2. 2. Duringthe blasting process, the blast furnacethroat is the most vulnerable part of thefurnace.
   在爆破过程中，高炉喉部是炉体最脆弱的部分。
3. 3. Theblast furnace throat needs to be cleaned regularlyto prevent blockages and improve efficiency.
   高炉喉部需要定期清理，以防止堵塞并提高效率。