 |
| |||
| 钢筋混凝土托梁 | |||
| 钢筋混凝土梁 | |||
| 钢筋混凝土大梁 | |||
| reinforced concrete girder: 6 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 4 |
|
| |||
| 钢筋混凝土托梁 | |||
| 钢筋混凝土梁 | |||
| 钢筋混凝土大梁 | |||
| reinforced concrete girder: 6 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 4 |