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| |||
| hipogeo | |||
| subterráneo | |||
| a nivel inferior; deprimida | |||
|
unterirdisch : 66 phrases in 14 subjects |
| Agriculture | 17 |
| Construction | 2 |
| Earth sciences | 3 |
| Economics | 2 |
| Electronics | 4 |
| Energy industry | 4 |
| Environment | 4 |
| General | 4 |
| Geology | 11 |
| Life sciences | 6 |
| Mechanic engineering | 6 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Transport | 1 |