![]() |
| |||
one phase system | |||
homogeneous system |
单 相系 : 16 phrases in 11 subjects |
Agriculture | 2 |
Air defense | 1 |
Animal husbandry | 1 |
Electric machinery | 1 |
Electronics | 1 |
General | 1 |
Geophysics | 1 |
Information technology | 1 |
Oil / petroleum | 1 |
Shipbuilding | 4 |
Technology | 2 |