| |||
single pole double throw | |||
single-pole double-throw | |||
single-pole double throw | |||
| |||
single-pole double-throw switch | |||
single-pole double-throw |
单刀双掷 : 15 phrases in 10 subjects |
Automobiles | 1 |
Aviation | 1 |
Earth sciences | 2 |
Geophysics | 1 |
Hydroelectric power stations | 1 |
Information technology | 2 |
Navigation | 1 |
Oil / petroleum | 1 |
Space | 3 |
Technology | 2 |