route locking section

例句：

1. 1. The routelocking section is crucial for the safe operation of the train.
   路线锁定区段对于火车的安全运行至关重要。
2. 2. The engineer carefully checked the route locking section before starting the engine.
   工程师在启动引擎前仔细检查了路线锁定区段。
3. 3. The route locking section was designed to prevent collisions between trains.
   路线锁定区段的设计是为了防止列车之间的碰撞。