 |
| |||
| depression of track; low spot in the track | |||
| rail surface bending (rail permanently deformed into a down-ward curve at a rail joint as a result of insufficient joint maintenance and poor ballast or subgrade conditions); track depression (rail permanently deformed into a down-ward curve at a rail joint as a result of insufficient joint maintenance and poor ballast or subgrade conditions) | |||
| просадка пути: 3 фразы в 2 тематиках |
| Железнодорожный транспорт | 2 |
| Макаров | 1 |