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замкнутый контур |
闭 环闭路 : 35 phrases in 10 subjects |
Automated equipment | 1 |
Computers | 2 |
Electronics | 7 |
General | 12 |
Mathematics | 1 |
Nuclear and fusion power | 1 |
Oil processing plants | 1 |
Quality control and standards | 1 |
Scientific | 1 |
Technology | 8 |