 |
| |||
| spirally reinforced column; column with steel hooping; spiral column | |||
| column with spiral hooping | |||
| колонна со спиральной арматурой: 7 phrases in 3 subjects |
| Bridge construction | 1 |
| Construction | 5 |
| Technology | 1 |
|
| |||
| spirally reinforced column; column with steel hooping; spiral column | |||
| column with spiral hooping | |||
| колонна со спиральной арматурой: 7 phrases in 3 subjects |
| Bridge construction | 1 |
| Construction | 5 |
| Technology | 1 |