 |
| |||
| steel-concrete composite girder; composite beam of steel and concrete | |||
| 钢-混凝土结合梁: 3 phrases in 2 subjects |
| Bridge construction | 2 |
| Technology | 1 |
|
| |||
| steel-concrete composite girder; composite beam of steel and concrete | |||
| 钢-混凝土结合梁: 3 phrases in 2 subjects |
| Bridge construction | 2 |
| Technology | 1 |