heat-treated steel track

例句：

1. 1. The railway line is equipped with heat-treated steel tracks to improve its durability.
   铁路线配备了热处理钢轨来提高其耐用性。
2. 2. Heat-treated steel tracks are used in high-speed trains to reduce noise and vibration.
   热处理钢轨用于高速列车以减少噪音和振动。
3. 3.The construction of the new bridge required the use of heat-treated steel tracks to ensure stability during construction.
   新桥梁的建设需要使用热处理钢轨以确保施工期间的稳定性。