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| double pole single throw | |||
| double pole single throw switch | |||
| double-pole single-throw | |||
| double-pole single-throw switch | |||
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双刀单掷开关 : 6 phrases in 5 subjects |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Navigation | 1 |
| Space | 2 |
| Technology | 1 |
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