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| underground train; underground railway An electric passenger railway operated in underground tunnels; underground train A train for transportation of people, mostly beneath the surface of the ground, in order to lessen the traffic | |||
| tube; metropolitan railway; subway; tube railway; metro | |||
| underground railway | |||
| metro: 72 phrases, 11 sujets |
| Américain usage, pas orthographe | 5 |
| Appareils médicaux | 2 |
| Britannique usage, pas orthographe | 5 |
| Commercialisation | 2 |
| Construction | 3 |
| Général | 11 |
| Génie mécanique | 1 |
| Industrie | 1 |
| Informel | 2 |
| Transport | 39 |
| Transport ferroviaire | 1 |