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холостой патрон; учебный патрон |
空 : 346 phrases in 14 subjects |
Automobiles | 1 |
Aviation | 4 |
Chemistry | 2 |
Crystallography | 1 |
Electronics | 5 |
General | 1 |
Geology | 1 |
Mathematics | 4 |
Mining | 7 |
Nuclear physics | 1 |
Physics | 7 |
Radioengineering | 2 |
Rail transport | 3 |
Technology | 307 |