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| English truss; quadrangular truss (с растянутыми раскосами и сжатыми стойками); N-truss | |||
| Pratt truss (с растянутыми раскосами и сжатыми стойками) | |||
| Pratt truss | |||
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ферма Пратта : 13 phrases in 3 subjects |
| Construction | 9 |
| Military | 3 |
| Road works | 1 |
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