| |||
single pole switch | |||
single switch | |||
single-switch; single-pole switch | |||
single knife switch | |||
| |||
single-pole on-off switch | |||
| |||
single-pole knife switch |
单刀 开 关 : 20 phrases in 9 subjects |
Aviation | 2 |
Earth sciences | 1 |
Electronics | 2 |
Geophysics | 1 |
Hydroelectric power stations | 1 |
Information technology | 2 |
Navigation | 2 |
Space | 2 |
Technology | 7 |