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| клапаны с параллельными стержнями | |||
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parallel valves : 29 phrases in 12 subjects |
| Construction | 3 |
| Electrical engineering | 2 |
| Electronics | 2 |
| Mechanics | 2 |
| Mining | 1 |
| Nautical | 2 |
| Oil and gas technology | 3 |
| Oilfields | 3 |
| Sakhalin | 4 |
| Technology | 4 |
| Thermal engineering | 1 |
| Valves | 2 |