negative-order
| polyphase system
| negative order | |
| el.mach. | 负序 |
| polyphase system | |
| automat. од. | 多相制 |
| el. | m相系统 |
| el. од. | 多相系统 |
| met.work. | 多相系 |
| |||
| 负序 | |||
|
negative-order : 26 phrases in 2 subjects |
| Electric machinery | 25 |
| Space | 1 |