| |||
| 双距离式〔的〕; 二速〔级〕的; 双量程的 | |||
| 双两级的 | |||
| 双距离 | |||
|
two- range : 18 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Space | 3 |
| Technology | 9 |
| |||
| 双距离式〔的〕; 二速〔级〕的; 双量程的 | |||
| 双两级的 | |||
| 双距离 | |||
|
two- range : 18 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Space | 3 |
| Technology | 9 |