 |
| |||
| compression piston ring; gas piston ring; pressure ring | |||
| piston compression ring (Johnny Bravo) | |||
| поршневое компрессионное кольцо: 22 phrases in 8 subjects |
| Armored vehicles | 6 |
| Automobiles | 6 |
| Aviation | 1 |
| Nautical | 2 |
| Rail transport | 2 |
| Technology | 1 |
| Thermal engineering | 1 |
| Transport | 3 |