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буртик; утолщённая стенка дня (гильзы) |
底带: 64 phrases in 16 subjects |
Chemistry | 1 |
Drilling | 2 |
Electronics | 4 |
Fish farming pisciculture | 1 |
General | 23 |
Geology | 3 |
Ichthyology | 1 |
Medical | 2 |
Military | 2 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oil processing plants | 3 |
Oilfields | 2 |
Radio | 1 |
Skydiving | 2 |
Technology | 14 |