| |||
| диаметр условного прохода (elena.kazan) | |||
|
inside nominal diameter : 5 phrases in 3 subjects |
| Construction | 2 |
| Oilfields | 1 |
| Technology | 2 |
| |||
| диаметр условного прохода (elena.kazan) | |||
|
inside nominal diameter : 5 phrases in 3 subjects |
| Construction | 2 |
| Oilfields | 1 |
| Technology | 2 |