 |
| 泵组: 97 phrases in 13 subjects |
| Astronautics | 3 |
| Aviation | 1 |
| Drilling | 2 |
| Electronics | 3 |
| General | 37 |
| Missiles | 2 |
| Nuclear and fusion power | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Oil processing plants | 7 |
| Oilfields | 1 |
| Production | 2 |
| Technology | 32 |
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