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curved chord (фермы) | |||
boom of arch; camel-back chord; curved chord |
криволинейными поясами : 41 phrases in 10 subjects |
Construction | 16 |
Electronics | 1 |
Makarov | 3 |
Mechanic engineering | 1 |
Military | 1 |
Rail transport | 6 |
Road works | 3 |
Seismology | 5 |
Technology | 3 |
Transport | 2 |