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первичная коммутация (в трансформаторных подстанциях) |
一次线 : 31 phrases in 10 subjects |
Automated equipment | 1 |
Construction | 2 |
Electronics | 6 |
General | 7 |
Mathematics | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Oil and gas technology | 1 |
Technology | 9 |
Telecommunications | 2 |