| |||
| классификация почв, грунтов в инженерных целях | |||
|
engineering classification : 1 phrase in 1 subject |
| Firefighting and fire-control systems | 1 |
| |||
| классификация почв, грунтов в инженерных целях | |||
|
engineering classification : 1 phrase in 1 subject |
| Firefighting and fire-control systems | 1 |