pre-elastic fiber

例句：

1. 1.The new material is made from pre-elastic fibers, which can greatly enhance the strength of the structure.
   这种新材料是由预弹纤维制成的，可以大大增强结构强度。
2. 2. In construction, pre-elastic fibers are used to reinforce concrete beams and columns.
   在建筑中，预弹纤维被用来加固混凝土梁和柱。
3. 3. The development of pre-elastic fiber technology has revolutionized the field of structural engineering.
   预弹纤维技术的发展已经彻底改变了结构工程领域。