| |||
| 附加力 | |||
|
additional force : 12 phrases in 7 subjects |
| Bridge construction | 1 |
| Electric machinery | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Scientific | 1 |
| Technology | 6 |
| |||
| 附加力 | |||
|
additional force : 12 phrases in 7 subjects |
| Bridge construction | 1 |
| Electric machinery | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Scientific | 1 |
| Technology | 6 |