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滑阀 : 228 phrases in 19 subjects |
| Armored vehicles | 1 |
| Automated equipment | 2 |
| Aviation | 2 |
| Chemistry | 1 |
| Drilling | 2 |
| Electronics | 17 |
| Engines | 1 |
| General | 102 |
| Hydraulics | 6 |
| Mechanic engineering | 4 |
| Metallurgy | 1 |
| Military | 3 |
| Nautical | 1 |
| Oil and gas | 1 |
| Oil processing plants | 13 |
| Rail transport | 2 |
| Shipbuilding | 1 |
| Technology | 66 |
| Thermal engineering | 2 |
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