| |||
| 最初水平; 起始水平 | |||
|
original levels : 18 phrases in 6 subjects |
| Electronics | 1 |
| Engineering geology | 4 |
| Geology | 3 |
| Hydroelectric power stations | 2 |
| Mining | 1 |
| Technology | 7 |
| |||
| 最初水平; 起始水平 | |||
|
original levels : 18 phrases in 6 subjects |
| Electronics | 1 |
| Engineering geology | 4 |
| Geology | 3 |
| Hydroelectric power stations | 2 |
| Mining | 1 |
| Technology | 7 |