 |
| |||
| gulf (between) | |||
| 悬隔: 25 phrases in 7 subjects |
| Architecture | 1 |
| Automobiles | 3 |
| Drilling | 3 |
| Engineering geology | 1 |
| Oil / petroleum | 7 |
| Refrigeration | 1 |
| Technology | 9 |
|
| |||
| gulf (between) | |||
| 悬隔: 25 phrases in 7 subjects |
| Architecture | 1 |
| Automobiles | 3 |
| Drilling | 3 |
| Engineering geology | 1 |
| Oil / petroleum | 7 |
| Refrigeration | 1 |
| Technology | 9 |