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| базовое заземление | |||
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reference ground : 31 phrases in 14 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Aviation | 10 |
| Cartography | 2 |
| Electrical engineering | 1 |
| Electricity | 1 |
| Electronics | 3 |
| GOST | 1 |
| Medical | 1 |
| Meteorology | 1 |
| Military | 2 |
| Oil / petroleum | 1 |
| Surveying | 2 |
| Technology | 4 |