| |||
| 预留荷载发展系数 | |||
|
coefficient of reservation developing of live load : 3 phrases in 2 subjects |
| Bridge construction | 2 |
| Technology | 1 |
| |||
| 预留荷载发展系数 | |||
|
coefficient of reservation developing of live load : 3 phrases in 2 subjects |
| Bridge construction | 2 |
| Technology | 1 |