 |
| |||
| искусственный портландцемент | |||
| portland artificiel: 8 phrases in 5 subjects |
| Construction | 1 |
| Hydraulic engineering | 3 |
| Mining | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |
|
| |||
| искусственный портландцемент | |||
| portland artificiel: 8 phrases in 5 subjects |
| Construction | 1 |
| Hydraulic engineering | 3 |
| Mining | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |