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twin lead; twin line |
línea doble : 25 phrases in 11 subjects |
Agriculture | 2 |
Computers | 1 |
Electric traction | 1 |
Electronics | 5 |
Information technology | 6 |
Mathematics | 1 |
Mechanic engineering | 1 |
Power lines | 1 |
Scientific | 2 |
Technology | 1 |
Transport | 4 |