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| |||
| 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 |
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