包邮城市轨道交通专业英语

前言
unit 1 knowledge of traffic
　lesson 1 rules & service
　lesson 2 how to take train
　lesson 3 station notice
　lesson 4 metros look forward to the 21st century
　lesson 5 developing maglev trains
unit 2 vehicles and automatic control system
　lesson 1 alstommetropolistm metros
　lesson 2 atc
　lesson 3 atp
　lesson 4 ato
unit 3 power system and electricity equipment
　lesson 1 london underground track
　lesson 2 dc 3rail traction system
　lesson 3 overhead catenary traction system
　lesson 4 traction power supply system
　lesson 5 introduction of siemens electrical products
参考文献