main transformer
| zero-sequence overcurrent protection
| main transformer | |
| hydroel.st. од. | 主变压器 |
| zero sequence overcurrent protection | |
| el.mach. | 零序过电流保护 |
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| 电源变压器; 主变压器 | |||
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| ★ 主变压器 | |||
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main transformer : 14 phrases in 5 subjects |
| Hydroelectric power stations | 9 |
| Hydrology | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |