passenger train controller

例句：

1. 1. The passenger traincontroller is responsible for ensuring the safety of all passengers during the journey.
   乘客列车控制员负责确保旅途中所有乘客的安全。
2. 2.The train controller has been tasked with improving the efficiency of the passenger train service.
   火车控制员被指派了提高乘客列车服务效率的任务。
3. 3. The passenger train controller must be able to communicate effectively with other staff members onboard to ensure smooth operations.
   乘客列车控制员必须能够有效地与其他在车上的工作人员沟通，以确保运营顺畅。