| |||
| 地下等高线; 构造等高线 | |||
| 结构轮廊线 | |||
|
structure contour : 9 phrases in 4 subjects |
| Engineering geology | 1 |
| Oil / petroleum | 4 |
| Space | 1 |
| Technology | 3 |
| |||
| 地下等高线; 构造等高线 | |||
| 结构轮廊线 | |||
|
structure contour : 9 phrases in 4 subjects |
| Engineering geology | 1 |
| Oil / petroleum | 4 |
| Space | 1 |
| Technology | 3 |