Unit 1 High-speed Rail高速铁路 1
Unit 2 Inter-city Rail城际铁路 7
Unit 3 Metro地铁 13
Unit 4 Light Rail轻轨 21
Unit 5 Railway Track铁路轨道 28
Unit 6 Railway Switch铁路道岔 34
Unit 7 Railway Signaling铁路信号 40
Unit 8 Railway Rolling Stock铁路机车车辆 47
Unit 9 Railway Electrification电气化铁路 56
Unit 10 Passenger Rail Transport铁路客运 62
Unit 11 Rail Freight铁路货运 70
Unit 12 Railway Communication Technology铁路通信技术 77
Keys of Exercises练习题参考答案 83
Appendix附录 90
References参考文献 98