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four wire system | |||
four-wire circuit | |||
four-wire line | |||
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four-wire line |
四 线 线 路 : 27 phrases in 10 subjects |
Bridge construction | 2 |
Electronics | 5 |
General | 1 |
Hydroelectric power stations | 1 |
Information technology | 2 |
Metallurgy | 1 |
Multimedia | 1 |
Rail transport | 1 |
Space | 2 |
Technology | 11 |