| |||
double-pole switch | |||
bipolar switch | |||
double pole on-off switch; double pole switch; two-pole switch |
双极开 关 : 31 phrases in 12 subjects |
Air defense | 3 |
Aviation | 1 |
Electric machinery | 2 |
Electricity | 1 |
Electronics | 7 |
Metallurgy | 2 |
Nuclear and fusion power | 1 |
Radio | 1 |
Rail transport | 2 |
Space | 1 |
Steel production | 1 |
Technology | 9 |