 |
| 堆集: 68 phrases in 12 subjects |
| Aviation | 1 |
| Electronics | 10 |
| General | 26 |
| Geology | 3 |
| Information technology | 1 |
| Military | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 3 |
| Oil and gas | 1 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Technology | 18 |
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