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| piedmont | |||
| submontane | |||
| Russian thesaurus | |||
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| прил. от предгорье | |||
| предгорный: 63 phrases in 14 subjects |
| American usage, not spelling | 2 |
| Ecology | 3 |
| General | 2 |
| Geography | 9 |
| Geology | 8 |
| Gold mining | 1 |
| Hydrology | 4 |
| Makarov | 23 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Ornithology | 2 |
| Technology | 4 |
| Water resources | 1 |