 |
| |||
| spherical valve | |||
| ball-actuated valve (ssn) | |||
| ball-type valve (разновидность искусственного клапана сердца) | |||
| seat-and-ball valve | |||
| ball valve; ball clack; ballcock | |||
| шариковый клапан: 35 phrases in 12 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Drilling | 4 |
| Makarov | 1 |
| Medical | 3 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Oil and gas technology | 3 |
| Oilfields | 2 |
| Production | 2 |
| Sakhalin A | 1 |
| Technology | 12 |