| |||
single-pole knife switch | |||
single pole switch | |||
single-pole switch | |||
one-pole switch; single switch | |||
| |||
single-pole knife switch |
单极 开 关 : 32 phrases in 9 subjects |
Aviation | 3 |
Electric machinery | 2 |
Electronics | 4 |
Hydroelectric power stations | 1 |
Nuclear and fusion power | 1 |
Rail transport | 3 |
Space | 1 |
Steel production | 1 |
Technology | 16 |