| |||
| 断路开关 | |||
|
break switch : 55 phrases in 11 subjects |
| Aviation | 2 |
| Electricity | 1 |
| Electronics | 13 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Space | 2 |
| Technology | 22 |
| Telecommunications | 4 |
| |||
| 断路开关 | |||
|
break switch : 55 phrases in 11 subjects |
| Aviation | 2 |
| Electricity | 1 |
| Electronics | 13 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Space | 2 |
| Technology | 22 |
| Telecommunications | 4 |