subsurface | |
life.sc. coal. | subsurface |
formation | |
ed. | education and training |
environ. | training |
industr. construct. | forming; formation |
lab.law. | trainee scheme |
polit. | training; training |
polit. law | bench |
tech. el. | degassing |
| |||
subsurface |
subsurface: 2 phrases in 2 subjects |
General | 1 |
Hydrology | 1 |