 |
| |||
| split ring (для ключей) | |||
| neck ring (в скафандрах) | |||
| sectional ring; spliced ring; half ring | |||
| разъёмное кольцо: 27 phrases in 11 subjects |
| Armored vehicles | 2 |
| Astronautics | 3 |
| Automobiles | 3 |
| Construction | 1 |
| Drilling | 1 |
| Mechanic engineering | 12 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Polygraphy | 1 |
| Polymers | 1 |