 |
| |||
| discharge valve | |||
| напорный или нагнетательный: 11 phrases in 4 subjects |
| Drilling | 7 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
|
| |||
| discharge valve | |||
| напорный или нагнетательный: 11 phrases in 4 subjects |
| Drilling | 7 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |