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| 两端馈电; 两套馈电线双接户线; 双电源供电; 环路供电 (в кольце); 双向馈电; 两路馈电 | |||
| 双路馈电 | |||
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двустороннее питание : 3 phrases in 1 subject |
| Electronics | 3 |
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