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бетонная арка | |||
бетонная балка | |||
железобетонная балка | |||
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железобетонная балка |
concrete beam: 40 phrases in 12 subjects |
Bridge construction | 4 |
Building materials | 1 |
Building structures | 1 |
Construction | 19 |
Electronics | 1 |
Firefighting and fire-control systems | 1 |
General | 2 |
Makarov | 4 |
Oilfields | 1 |
Rail transport | 1 |
Seismology | 1 |
Technology | 4 |