| |||
| 列车系统动力学; 列车动力学 | |||
|
train dynamics : 9 phrases in 4 subjects |
| Bridge construction | 1 |
| Communications | 1 |
| Rail transport | 6 |
| Technology | 1 |
| |||
| 列车系统动力学; 列车动力学 | |||
|
train dynamics : 9 phrases in 4 subjects |
| Bridge construction | 1 |
| Communications | 1 |
| Rail transport | 6 |
| Technology | 1 |