 |
| |||
| o-ring seal groove | |||
| канавка уплотнительного кольца: 8 phrases in 4 subjects |
| Construction | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Technology | 5 |
|
| |||
| o-ring seal groove | |||
| канавка уплотнительного кольца: 8 phrases in 4 subjects |
| Construction | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Technology | 5 |