 |
| |||
| 反向工作法 | |||
|
reverse working : 10 phrases in 4 subjects |
| Electricity | 2 |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
|
| |||
| 反向工作法 | |||
|
reverse working : 10 phrases in 4 subjects |
| Electricity | 2 |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Technology | 4 |