sistema di alimentazione : 41 phrases in 12 subjects |
Agriculture | 1 |
Electric machinery | 2 |
Electric traction | 6 |
Electronics | 9 |
Energy industry | 1 |
General | 5 |
Mechanic engineering | 10 |
Metallurgy | 1 |
Natural sciences | 1 |
Nuclear physics | 1 |
Textile industry | 2 |
Transport | 2 |