| |||
| 按压按钮开关 | |||
| 液动开关; 气动开关 | |||
| 按钮开关 | |||
|
push switch : 40 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 7 |
| Electronics | 10 |
| Metallurgy | 3 |
| Nautical | 1 |
| Navigation | 1 |
| Rail transport | 4 |
| Space | 2 |
| Technology | 11 |
| |||
| 按压按钮开关 | |||
| 液动开关; 气动开关 | |||
| 按钮开关 | |||
|
push switch : 40 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 7 |
| Electronics | 10 |
| Metallurgy | 3 |
| Nautical | 1 |
| Navigation | 1 |
| Rail transport | 4 |
| Space | 2 |
| Technology | 11 |