low-alloy high-strength steel

例句：

1. 1. This new model uses low-alloy high-strength steel for its body parts, which makes it more durable and resistant to wear.
   这款新模型使用低合金高强度钢作为其车身部件，使其更耐用且抗磨损。
2. 2. The construction of this bridge is made from low-alloy high-strength steel, ensuring its long lifespanand stability.
   这座桥梁的建设使用了低合金高强度钢，确保了其持久的使用寿命和稳定性。
3. 3. In the automotive industry, low-alloy high-strength steel is widely used in the production of engines and transmissions, offering better performance and durability.
   在汽车工业中，低合金高强度钢被广泛应用于发动机和变速器的生产，提供了更好的性能和耐用性。