后来他做过司闸员、管理员和机械师助理。

Later he was a brakeman, clerk, and machinistS helper.

youdao

司闸员，制动手操纵、检查或维修闸的人，通常指协助列车员和检查火车制动器性能的铁路雇员。

One who operates, inspects, or repairs brakes, especially a railroad employee who assists the conductor and checks on the operation of a train's brakes.

youdao

司闸员，制动手操纵、检查或维修闸的人，通常指协助列车员和检查火车制动器性能的铁路雇员。

One who operates, inspects, or repairs brakes, especially a railroad employee who assists the conductor and checks on the operation of a train's brakes.

youdao