| |||
| permafrost; freeze-up period | |||
| pergelisol; permanent frost | |||
| permanent frost (in the soil); state of permafrost | |||
| ever-frost; perpetually frozen soil | |||
|
Dauerfrost : 3 фразы в 2 тематиках |
| Строительство | 1 |
| Физика | 2 |
| |||
| permafrost; freeze-up period | |||
| pergelisol; permanent frost | |||
| permanent frost (in the soil); state of permafrost | |||
| ever-frost; perpetually frozen soil | |||
|
Dauerfrost : 3 фразы в 2 тематиках |
| Строительство | 1 |
| Физика | 2 |