| |||
| 地基动反力系数; 動態地盤反力係數 | |||
|
dynamic coefficient of subgrade : 8 phrases in 4 subjects |
| Bridge construction | 2 |
| Engineering geology | 3 |
| Soil science | 1 |
| Technology | 2 |
| |||
| 地基动反力系数; 動態地盤反力係數 | |||
|
dynamic coefficient of subgrade : 8 phrases in 4 subjects |
| Bridge construction | 2 |
| Engineering geology | 3 |
| Soil science | 1 |
| Technology | 2 |