low-shaft blast furnace

例句：

1. 1.The low-pressure blast furnace is a crucial part of the ironmaking process.
   低压力吹炼炉是钢铁制造过程中至关重要的部分。
2. 2.The design of the low-pressure blast furnace has been optimized to improve efficiency.
   低压力吹炼炉的设计已经被优化，以提高效率。
3. 3. The low-pressure blast furnace is used to produce iron and steel, which are essential materials for construction.
   低压力吹炼炉用于生产铁和钢，这些材料对于建筑至关重要。