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阀 杆 : 253 phrases in 24 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Automobiles | 12 |
| Chemistry | 1 |
| Compressors | 7 |
| Construction | 2 |
| Drilling | 22 |
| Ecology | 4 |
| Electronics | 9 |
| General | 1 |
| Hydroelectric power stations | 8 |
| Mechanic engineering | 3 |
| Mechanics | 2 |
| Metallurgy | 6 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 29 |
| Rail transport | 9 |
| Refrigeration | 3 |
| Scuba diving | 1 |
| Shipbuilding | 4 |
| Space | 1 |
| Submarines | 1 |
| Technology | 124 |
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