| |||
| ★ 选速器 | |||
| 速度选择器 | |||
| |||
| 选速器 | |||
|
velocity selector : 8 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 2 |
| Nuclear physics | 2 |
| Shipbuilding | 1 |
| Technology | 2 |
| |||
| ★ 选速器 | |||
| 速度选择器 | |||
| |||
| 选速器 | |||
|
velocity selector : 8 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 2 |
| Nuclear physics | 2 |
| Shipbuilding | 1 |
| Technology | 2 |