power train service module
station and train service
Train Service Personnel
Self-service service terminal
single-plane (through-plane service) service
Train bridge and train track time varying system
train driver and train-attendant
train speed increase and train working diagram adjustment
Break of Service， Out-of-Service
free medical service; free medicare; public health service
in service and out of service
overland common point service {= OCP service}
search and rescue service {= SAR service}
service oriented architecture service
Value Added Service (VAS)New Service