 |
| |||
| definite-time graded protection; definite-time graded relay protection | |||
| definite-time graded protective gear | |||
| релейная защита с независимой выдержкой времени: 3 短语, 1 学科 |
| 技术 | 3 |
|
| |||
| definite-time graded protection; definite-time graded relay protection | |||
| definite-time graded protective gear | |||
| релейная защита с независимой выдержкой времени: 3 短语, 1 学科 |
| 技术 | 3 |