 |
| |||
| spot | |||
| slug | |||
| 段塞: 86 phrases in 12 subjects |
| Chemistry | 1 |
| Communications | 3 |
| Compressors | 1 |
| Drilling | 11 |
| Electronics | 3 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Mining | 5 |
| Oil / petroleum | 49 |
| Oil processing plants | 1 |
| Refrigeration | 1 |
| Technology | 9 |
|
| |||
| spot | |||
| slug | |||
| 段塞: 86 phrases in 12 subjects |
| Chemistry | 1 |
| Communications | 3 |
| Compressors | 1 |
| Drilling | 11 |
| Electronics | 3 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Mining | 5 |
| Oil / petroleum | 49 |
| Oil processing plants | 1 |
| Refrigeration | 1 |
| Technology | 9 |