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круглый щит |
円 : 128 phrases in 11 subjects |
Aerodynamics | 1 |
Astronomy | 1 |
Information technology | 1 |
Mathematics | 1 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Optics branch of physics | 2 |
Pulp and paper industry | 3 |
Technology | 113 |
Television | 1 |
Textile industry | 3 |