| |||
| 上导向器 | |||
|
upper guide : 24 phrases in 9 subjects |
| Drilling | 1 |
| Electric machinery | 5 |
| Electricity | 1 |
| Electronics | 2 |
| Exhibitions | 1 |
| Hydroelectric power stations | 9 |
| Navigation | 1 |
| Space | 2 |
| Technology | 2 |
| |||
| 上导向器 | |||
|
upper guide : 24 phrases in 9 subjects |
| Drilling | 1 |
| Electric machinery | 5 |
| Electricity | 1 |
| Electronics | 2 |
| Exhibitions | 1 |
| Hydroelectric power stations | 9 |
| Navigation | 1 |
| Space | 2 |
| Technology | 2 |