command and control and decision-making
computer|aided monitor and control and inspection
control load and measures
speed and load control circuit
the system of seismic data to gather and control and appraisal
frequency and load control
and Passenger dedicated line
business and sales of passenger and freight traffic operation
combination passenger and freighter
different passenger load condition
disaster-prevention and passenger-rescue
forward control passenger car
Increasing passenger and freight volume to increase revenue
locomotive and passenger car
mixed flow of passenger and freight
mixed passenger and freight railway
mixed steering of passenger and freight vehicles
mixed traffic of passenger and freight vehicles