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threefold; treble; triple |
potrójny : 31 phrases in 13 subjects |
Agriculture | 3 |
Biology | 1 |
Chemistry | 8 |
Construction | 4 |
Electric traction | 1 |
Electronics | 3 |
Mathematics | 2 |
Microsoft | 2 |
Oil / petroleum | 1 |
Piezoelectric crystals | 2 |
Power lines | 2 |
Reliability | 1 |
Telegraphy | 1 |