| |||
| 径列复管孔 (multiplex radialis) | |||
|
radial multiple : 7 phrases in 5 subjects |
| Agriculture | 2 |
| Chemistry | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| |||
| 径列复管孔 (multiplex radialis) | |||
|
radial multiple : 7 phrases in 5 subjects |
| Agriculture | 2 |
| Chemistry | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |