齿状铁道

例句：

1. 1. The train's wheels are designed with teeth to grip the rails better.
   火车的轮子设计有牙齿以便更好地抓住铁轨。
2. 2. The new bridge is equipped with toothed tracks to improve traffic flow.
   新桥配备了齿形轨道以改善交通流量。
3. 3. The engineer inspected the toothed tracks for any signs of wear or damage.
   工程师检查了齿形轨道是否有磨损或损坏的迹象。