| |||
| 压缩期; 压缩阶段 | |||
| 压缩级 | |||
|
compression stage : 30 phrases in 8 subjects |
| Compressors | 2 |
| Engineering geology | 1 |
| Geotechnics | 1 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Refrigeration | 10 |
| Technology | 10 |
| Water resources | 1 |
| |||
| 压缩期; 压缩阶段 | |||
| 压缩级 | |||
|
compression stage : 30 phrases in 8 subjects |
| Compressors | 2 |
| Engineering geology | 1 |
| Geotechnics | 1 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Refrigeration | 10 |
| Technology | 10 |
| Water resources | 1 |