ultra-high strength steel

例句：

1. 1. The construction of the bridge required ultra-high strength steel for its supports.
   这座桥的建设需要使用超高强度钢作为支撑。
2. 2. The new car features ultra-high strength steel in its body to increase safety and durability.
   这款新车采用了高强度钢车身，以增加安全性和耐用性。
3. 3. The manufacturer claims that their ultra-high strength steel products are environmentally friendly and energy-efficient.
   制造商声称他们的超高强度钢产品是环保且节能的。