 |
| |||
| compressive strength test (Alexander Demidov) | |||
| определение прочности на сжатие: 3 phrases in 3 subjects |
| Construction | 1 |
| Drilling | 1 |
| Transport | 1 |
|
| |||
| compressive strength test (Alexander Demidov) | |||
| определение прочности на сжатие: 3 phrases in 3 subjects |
| Construction | 1 |
| Drilling | 1 |
| Transport | 1 |