【运输】铁路信号【运输】铁路信号灯

centralized railway traffic control system【铁路】

derailers for use on RAILWAY(S),RAILROAD(S)

arterial railway【铁路】;main railway【铁路】

paving RAILWAY(S),RAILROAD(S) level crossings

rotary snow plough for removing snow from railway tracks

railway locomotive or motor car

testing of RAILWAY(S),RAILROAD(S) vehicles

ropeway, suspension railway, underground railway