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base course; bed course | |||
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subgrade |
основание покрытия: 50 phrases in 14 subjects |
Airports and air traffic control | 2 |
Architecture | 1 |
Automobiles | 1 |
Construction | 10 |
Forestry | 1 |
General | 1 |
Informal | 1 |
Makarov | 2 |
Military | 8 |
Mining | 1 |
Programming | 1 |
Road works | 17 |
Technology | 2 |
Transport | 2 |