basic converter steel

例句：

1. 1. The basic converter steel isused in the manufacturing of various machines.
   基本转换器钢用于制造各种机器。
2. 2. Theengineer designed a new type of basic converter steel to improve efficiency.
   工程师设计了一种新型的基本转换器钢，以提高效率。
3. 3. The basic converter steel has been widely usedin the construction industry.
   基本转换器钢在建筑业中得到了广泛应用。