phase-sequence reversal
| protection
| phase-sequence reversal | |
| el. | 相序反转 |
| protection | |
| gen. | 保障 |
| forestr. | 防火 |
| hydroel.st. | 保护; 防护; 保护装置; 保护措施 |
| interntl.trade. | 保护贸易制; 保护政策 |
| med.appl. | 护具 |
| met. | 保存 |
| |||
| 相序反转 | |||
|
phase-sequence reversal : 2 phrases in 2 subjects |
| Electric machinery | 1 |
| Technology | 1 |