| |||
pumped system | |||
forced circulation; forced currency |
circulation forcee : 39 phrases in 12 subjects |
Chemistry | 4 |
Earth sciences | 3 |
Electric traction | 1 |
Energy industry | 4 |
General | 3 |
Industry | 1 |
Materials science | 1 |
Mechanic engineering | 17 |
Medical appliances | 1 |
Metallurgy | 1 |
Municipal planning | 2 |
Transport | 1 |