subsurface
| subsurface | |
| transp. tech. law | subcamada |
| |||
| subcamada | |||
|
subsurface : 20 phrases in 9 subjects |
| Agriculture | 4 |
| Earth sciences | 2 |
| General | 1 |
| Life sciences | 6 |
| Mechanic engineering | 1 |
| Metallurgy | 3 |
| Natural sciences | 1 |
| Oil / petroleum | 1 |
| Transport | 1 |