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power flows : 47 phrases in 13 subjects |
Automobiles | 4 |
Business | 2 |
Earth sciences | 3 |
Ecology | 1 |
Electric machinery | 2 |
Electronics | 20 |
Hydroelectric power stations | 2 |
Mining | 1 |
Oil / petroleum | 3 |
Piezoelectric crystals | 2 |
Refrigeration | 1 |
Technology | 4 |
Wind Energy | 2 |