| |||
roadbed | |||
permanent way and track bed (Oberbau und Unterbau); track; basement soil (Eisenbahn); subgrade (Eisenbahn) | |||
permanent way | |||
formation; subgrade; track formation | |||
railroad |
Bahnkorper: 12 a las frases, 3 temas |
Construcción | 2 |
General | 3 |
Transporte | 7 |